'Tis the season for candlelight, carols and Christmas cheer. Every town and hamlet across the state is being gilded and garnished with garlands of greens and holiday trappings. Celebrations already are under way in Brunswick, Westminster and Upper Marlboro, and in the days ahead there will be more open-house celebrations, candlelight walks, holiday house tours, concerts, feasts and lighted boat parades.

If you can make time for a day trip in the midst of the inevitable holiday rush, you'll have a banquet of seasonal delights to choose from. Here is a roundup of Christmas events around Maryland:



Victorian Christmas at Brunswick Museum, 40 W. Potomac St., Brunswick. This railroad town holds its seasonal event at the Brunswick Museum, decked out in old-fashioned trim, as model trains run through a Christmas garden and Christmas stories are read in the parlor. Period music, a display of Victorian toys, art exhibit, visits with Santa and a Christmas bake shop are additional features. Hours: 10 a.m. to 5 p.m. Admission: $2 for adults, $1 for children and senior citizens. Details: (301) 834-7100.



Christmas Open House at Carroll County Farm Museum, 500 S. Center St., Westminster. "O Tannenbaum" sets the theme for this year's celebration. Each room of the 1852 farmhouse and log cabin will be enhanced by a Christmas tree trimmed in a different theme, including "Peacock Fantasy," "Traditional," "Down on the Farm," "Folk Art," "English Hunt" and many more. In addition there will be a mini-Christmas tree decorating contest, crafts demonstrations in outbuilding, daily visits by Santa Claus from noon to 2 p.m. and holiday foods for sale. Hours: 10 a.m. to 4 p.m. daily. Free admission. Details: 876-2667.

NOV. 30 TO JAN. 3

Winter Festival of Lights, Watkins Regional Park, Upper Marlboro. Visitors can drive through the park, which sparkles with 125,000 lights illuminating the park's buildings and shrubbery. This year's displays include a giant glittering tree, Santa and his reindeer, a gingerbread house, mechanized toys and a "path of peace." From dark to 9:30 p.m. nightly. Free, but donations of canned goods and money accepted. Call (301) 699-2407.

NOV. 30, DEC. 1-2, DEC. 7-9

Ballestone Manor Holly Tour, Rocky Point Golf Course, Back River Neck Road, Essex. Costumed guides lead candlelight tours through the manor house, followed by homemade cookies and hot cider by the fireside; Civil War soldiers in full dress uniform act as escorts both weekends; Civil War encampment on second weekend; visit by Santa each day; exhibit of Santas from private collection; music by Sacred Harmony and St. Clare's Childrens Choir. Hours: 6 p.m. to 9 p.m. Fridays, 2 p.m. to 8 p.m. Saturdays and Sundays. Admission: $2.50 for adults, free for under 14. Details: 887-0218, 887-0217.

NOV. 30, DEC. 1, 2, 8, 9

Christmas Madrigal Evenings, St. Mary's City. Dine on oyster stew, a "grand sallet," beef pasty and other festive fare in the decorated Reconstructed State House of 1676 decked with fresh pine swags and blazing yule log, as madrigals and carols are sung by costumed entertainers and a playlet on life in the early capital is performed by St. Maries Citty Players. Evenings begin with wassail hour at 6:30 p.m. Admission: $35. Reservations limited and available on first come, first served basis. Details: (301) 862-0965.


DEC. 1

A Family Holiday Celebration, 201 W. Monument St., Baltimore. The Maryland Historical Society presents "An Edwardian Christmas," an afternoon of music, gift and ornament making, cookie decorating, a gingerbread house demonstration, toy and train displays, storytelling and a visit by Santa. Hours: 1 p.m. to 4:30 p.m. Admission: $3 per child, free for adults. Space limited; registration required. Details: 685-3750, Ext. 334 or 335.

DEC. 1, 2

Christmas in New Market. Stroll the picturesque streets of Maryland's antiques capital and enjoy the Colonial decorations and music by Williamsburg troubadour John Durant, carolers and other musicians; take a horse-drawn buggy ride through town; shop at the more than 30 antique shops and wind up in the town park for the tree-lighting ceremony, Christmas story and music featured each afternoon; free hot cider and cookies Saturday from 6 p.m. to 9 p.m. and Sunday from 2 p.m. to 4 p.m.; free concerts both days; food and baked goods at the Fire Hall and the New Market Grange; live Nativity scene; and a Colonial Christmas at the Rossig Log House. Hours: noon to 8 p.m. Saturday, noon to 5 p.m. Sunday. Just off Interstate 70 at Exit 62. Details: (301) 865-5055.

Christmas on the Susquehanna, 461 Quaker Bottom Road in Susquehanna State Park, Havre de Grace. Decoys are used in the Christmas decorations at Steppingstone Museum. The farmhouse is dressed for a Victorian Christmas and period activities include Christmas carols accompanied by an antique pump organ, Christmas stories for children, hot mulled cider and cookies in the kitchen. Outside, children can decorate a tree for the birds and wildlife; greens for sale; gift shop. Hours: noon to 4:30 p.m. Free. Directions: Take Interstate 95 north to Exit 6 and follow to Susquehanna State Park. Details: (301) 939-2299.

Child's Colonial Christmas at London Town Publik House, 839 Londontown Road, Edgewater. Program for elementary school-age children features Colonial crafts, a storyteller, music by New Renaissance Voyces (Saturday) and the Seabrooks (Sunday); light refreshments. Hours: noon to 4 p.m. Reservations required. Admission: $3.50 for adults, $3 for senior citizens, $3.25 for school-age children. Details: (301) 222-1919.


Candlelight House Tours, Frederick. Nine homes in Frederick's historic district are open to the public; musical presentations in some of the houses; street carolers and hospitality suite at City Hall. 6 p.m. to 9:30 p.m. Saturday, 1 p.m. to 4 p.m. Sunday. Admission: $12. Limited tickets available; reservations advised. Call (301) 694-1436 or (301) 694-1682.

DEC. 1, 7, 8

Marietta Mansion Holiday Tours, 5626 Bell Station Road, Glenn Dale. Tour the home built for Gabriel Duvall, an associate justice of the U.S. Supreme Court appointed by President Madison. It's lit by candles and trimmed with greens and holiday memorabilia of the period; light refreshments. Hours: 7 p.m. to 9 p.m. Admission: $2 for all ages. Details: (301) 953-1376.

DEC. 2

Open House at Sotterley Mansion, Hollywood, St. Mary's County. Holiday fare at this 18th century Colonial working plantation includes self-guided tours of the mansion illuminated by candlelight, Christmas music by five different groups and refreshments. Hours: 3 p.m. to 7 p.m. Admission: $4 for adults, $1 for under 12. Details: (301) 373-2280.

DEC. 2, 5, 9


Winter Holiday Open House at Rockville Civic Center Mansion, 603 Edmonston Drive. Eighteen rooms of this 19th century mansion have been decorated by various community groups. First floor features traditional and old-fashioned decorations, second floor international and commercial decorations. Entertainment by different musical groups; holiday gift shop featuring local artist and craftspeople. Hours: noon to 6 p.m. Dec. 2, noon to 4 p.m. Dec. 9. A children's night with Santa and other holiday characters and live music is scheduled Dec. 5 from 6 p.m. to 9 p.m. Free. Details: (301) 309-3001. Also performances of "The Nutcracker" by Rockville Civic Ballet. Admission charge. Details: (301) 309-3357 or 3354.

DEC. 2, 9

Christmas Open House at Catonsville Historical Society, 1824 Frederick Road. Candlelight tours with an international theme. Each room will be decorated to reflect customs of a different country; carols and traditional songs of Scotland and Ireland performed by Clantankerous. Hours: 5 p.m. to 9 p.m. Free. Donations requested. Details: 744-3034.

DEC. 4-8, 11-14

Victorian Christmas at History House, 218 Washington St., Cumberland. Victorian town house with rooms dressed in period decorations; two live trees trimmed with handmade ornaments, a large one in the parlor and a smaller children's tree in the schoolroom. House open for tour from 11 a.m. to 4 p.m. Three evening candlelight tours: Dec. 7, 11 and 14, 7 p.m. to 9 p.m. Christmas party with refreshments during last candlelight tour (Dec. 14). Admission: $1 donation requested. Details: (301) 777-8678.

DEC. 5-8


Candlelight Tours at Montpelier Mansion, Route 197 and Muirkirk Road, Laurel. The atmosphere of the 18th century prevails in this mansion. Each room is decorated with traditional greens and lit by candles. Hours: 6 p.m. to 9 p.m. Dec. 5-7, 11 a.m. to 2 p.m. Dec. 8. Admission: $3 for adults, $1 for children. Details: (301) 953-1376.

DEC. 5, 12, 19, 27

Christmas Candlelight Tours at Darnall's Chance, Gov. Oden Bowie Drive, Upper Marlboro. Tours by candlelight in one of the oldest houses in the county, dressed in greenery in the 18th century manner. Hours: 7 p.m. to 9 p.m. Admission: $1 for adults, 75 cents for seniors, 50 cents for children. Details: (301) 952-8010.

DEC. 6

Holiday Candlelight Tour, 10440 Falls Road, Brooklandville. Traditional candlelight tour at the Cloisters Children's Museum of Baltimore features lavish decorations, wassail and gingerbread, entertainment by the McDonogh Eighth Notes and the Gilman Traveling Men. Hours: 7 p.m. to 9 p.m. Admission: $4, free to members. Advance reservations suggested. Details: 823-2550.

DEC. 7, 8


Christmas Walk and Open House, Solomons. A walk through this Chesapeake Bay village, illuminated by candlelight both evenings. Saturday's events include Breakfast with Santa, Christmas cinema and children's art exhibit at Calvert Marine Museum, and a 6:30 p.m. parade of lighted vessels through the harbor; also live Nativity scene, Christmas decoration contests for homes and businesses, and visits with Santa at Lore Oyster House. Hours: 6 p.m. to 9 p.m. Friday, 9 a.m. to 9 p.m. Saturday. Free shuttle service available. Details: (301) 326-2166.

Caroline by Candlelight, Denton. Two-day celebration begins with "Lighting of the Green" on Friday at 7 p.m., followed by refreshments at the Women's Club of Denton. A holiday candlelight tour of buildings and homes around the Court House green on Saturday from 5 p.m. to 8 p.m. A bell choir, harpist and carolers will appear at different sites, and cookies and wassail will be served at the Court House. Admission: $7.50 for adults, $3 for under 12. Tickets available at Court House. Details: (301) 479-3614.

State House by Candlelight, Annapolis. Open house candlelight celebration with holiday music. 7 p.m. to 9 p.m. Free. Details: (301) 974-3400.

DEC. 7-9

Christmas at an English Country House, 3535 Jarrettsville Pike, Monkton. Lavishly decorated manor house, home of the late Harvey S. Ladew, with tours of house and grounds, featuring famous topiary hedges. Continuous tours; musical entertainment by either a bagpiper, choral group or Renaissance musical group; free light refreshments; greens sale; gift shop and cafe open. Hours: 11 a.m. to 4 p.m. Admission: $4 for adults, 50 cents for children 12 and under. Directions: 14 miles north of Beltway Exit 27B, on Jarrettsville Pike between Jacksonville and Madonna. Details: 557-9466.

DEC. 8


Museums by Candlelight, Frederick. City museums and historic buildings will be decorated and open to visitors, including the Barbara Fritchie House, the Historical Society, Rose Hill Manor, Schifferstadt Architectural Museum, Roger Brooke Taney House/Francis Scott Key Museum, the Hessian Barracks and Brunswick Museum. Costumed hosts, 18th and 19th century entertainment and light refreshments at various tour sites. Hours: 4 p.m. to 8 p.m. Admission: $5 for adults, free for under 12. Details: (301) 663-8687.

Child's Christmas at Rose Hill Manor, 1611 N. Market St., Frederick. Children will be greeted by St. Nick and invited to participate in Colonial craft demonstrations, making and stringing popcorn, storytelling, singing and listening to period music at this 18th century manor. Refreshments and hayrides (weather permitting). Hours: 10 a.m. to 2 p.m. Free admission. Details: (301) 694-1648.

Christmas Candlelight Tour of Princess Anne. A walking tour of private 19th-century homes and buildings in Princess Anne with costumed hostesses; carolers; display and Christmas music at county library; refreshments and music at the Teakle Mansion. Hours: 5 p.m. to 8 p.m. Admission: $5. Tickets can be purchased on evening of tour at Teakle Mansion and Somerset County Court House. Details: (800) 521-9189 or (301) 651-2968.

Christmas at the Beach, Ocean City. A tree-trimming party with the mayor and members of the City Council. Festivities include entertainment; a carol sing; horse-drawn hayrides; Santa bestowing gifts to the children; warm refreshments. 1:30 p.m. to 4 p.m. on the beach between Caroline and North Division streets. Free. Details: (301) 289-2800.

DEC. 8, 9

Union Mills Homestead's Poinsettia and Green Sale, 3311 Littlestown Pike, Westminster. Several rooms of the 1797 Homestead will be decked out for an Old Fashioned Christmas by Alloway Herb Gardens; refreshments of hot mulled cider and cookies. Poinsettias, Christmas trees and greens for sale in Grist Mill; Santa holds court in the Miller's Office of the Grist Mill both days; Christmas items, homemade bread and stone-ground flours for sale in the Miller's House Gift Shop. Hours: 10 a.m. to 4 p.m. Dec. 8, noon to 4 p.m. Dec. 9. Free. Call (301) 848-2288.


Christmas in St. Michaels. House tour and holiday fete features a tour of eight houses of historic or architectural significance with musical performances in some. Santa will greet children in the firehouse, where there'll be a Christmas tree with garden and electric trains, antique dolls and teddy bears. Other attractions include a Christmas parade Saturday at 10:30 a.m., Christmas dinner at Union United Methodist Church (Saturday only); display by local artists at St. Michael's Woman's Club; an Alpine Christmas village; a lighted boat parade Saturday at 6 p.m.; and church concerts. Tours run noon to 5 p.m. both days. Admission: $12, includes house tour and admission to Chesapeake Bay Maritime Museum. Tickets can be purchased on tour day at Christ Church on Willow Street. Details: (301) 745-3710.

A Farmhouse Christmas, Hammonds Ferry Road and Poplar Avenue, Linthicum. A celebration featuring Christmas traditions in Anne Arundel County with refreshments and music at the Benson-Hammond House, a restored 18th century farmhouse. Sponsored by the Ann Arrundell County Historical Society. Hours: 3 p.m. to 7 p.m. Admission: $1 donation requested. House will be open to public Dec. 9-22 from 11 a.m. to 3 p.m. Tuesdays to Saturdays. Details: 768-9518.

DEC. 8-31

Colonial Christmas at Mount Clare Mansion, Carroll Park, Baltimore. Costumed hostess lead tours through the 1760 home of Charles Carroll, barrister, dressed in its Christmas finery and illuminated by candlelight. Decorations remain through Dec. 31. Hours: 10 a.m. to 4:30 p.m. weekdays, noon to 4:30 p.m. Saturdays and Sundays. Closed Mondays and Christmas Day. Admission: $3 for adults, $2 for senior citizens and students, 50 cents for children under 12. Details: 837-3262.

DEC. 9

Merry Old Christmas Celebration, Baltimore City Life Museums' courtyard sites (Carroll Mansion, Center for Urban Archaeology, 1840 House and the Courtyard Exhibition Center), Museum Row, (use the main entrance, 800 E. Lombard St. at Front Street). 19th century holiday festivities contrast the homes of a wealthy family at the Carroll Mansion and the middle-class home of wheelwright John Hutchinson at the 1840 House. "Charles Carroll of Carrollton" welcomes guests to his elegant mansion as Musica Antiqua performs period music in the drawing room. Activities at the 1840 House include dancing, storytelling, open-hearth cooking, parlor games and caroling. Also, ornament-making for children in the courtyard; local choirs; Kris Kringle; refreshments prepared from 19th century recipes. Noon to 4 p.m. Admission: $6 for adults, $3 for ages 12 to 18, senior citizens and BCLM members, free for those under 12. Details: 396-3523.


Christmas Candlelight Tour, Havre de Grace. Tour of historic town features six private houses and several buildings, including the the Susquehanna Museum Lockhouse, Concord Point Lighthouse, Decoy Museum, Jobe's Decoy Shop, St. John's Episcopal Church, Old First National Bank Building. Concert by Harford Choral Society at 2:30 p.m.; live Nativity scene, train display at community center, refreshments at the lockhouse. Hours: 4 p.m. to 8 p.m. Admission: $8. Benefits the Susquehanna Museum Lockhouse. Details: (301) 939-3947.

Christmas Candlelight Tour at London Town Publik House, 839 Londontown Road, Edgewater. Look in on a Colonial evening party, as an actor portraying the early tavernkeeper greets guests with a nosewarmer (hot toddy) and shows them around his 18th century ferry tavern decorated in a maritime theme with traditional holiday greens and candles; sea chanties and traditional music by Andy Wallace; complimentary grog and orange nut bread; demonstrations of antique navigation instruments; gifts and foods for sale. Hours: 4 p.m. to 7 p.m. Admission: $3.50 for adults, $3 for senior citizens, $1.50 for those 6 to 18, free for children under 6. Details: (301) 222-1919.

Cylburn Mansion Open House, 4915 Greenspring Drive, Baltimore. See the mansion in holiday dress with handmade period ornaments and decorations. Museum and library open. Hours: 2 p.m. to 4 p.m. Free admission. Details: 367-2217 or 396-0180.

Christmas house tour, Centreville. Town and country tour of homes, including Gunston School where there will be 20 private doll house collections, a quilt and train display and refreshments. Sponsored by the Young Women's Club of Centreville. Hours: 1 p.m. to 5 p.m. Admission: $7 for complete tour, $3 for just the exhibits at Gunston School. Tickets on sale at Centreville courthouse on tour day. Details: (301) 556-6765.

Holiday Open House at Rose Hill Manor, 1611 N. Market St., Frederick. Natural materials are used to decorate the home of Maryland's first governor in the style of the 1800s. Tours of the mansion, blacksmith shop and carriage museum, open hearth cooking demonstrations, Christmas music, refreshments. Hours: 1 p.m. to 4 p.m. Free. Details: (301) 694-1648.

Union Square Cookie Tour, Baltimore. Tour of 30 Victorian homes, including the H. L. Mencken House, with refreshments at each; holiday music and a country store featuring holiday gifts. 1 p.m. to 5 p.m. Admission: $7. Tickets sold on tour day at Steuart Elementary School, Lombard and Gilmore streets. Details: 945-1497 or 233-3168.


Oxford Christmas Tea Dance, Oxford. Holiday benefit for the Oxford Community Center featuring music by the Old Gold Trio and a candlelight buffet. Tickets: $15 by reservation. Details: (301) 226-5734 or (301) 226-5372.

Inns of the Blue Ridge Christmas Tour. Nine area bed and breakfasts and two country inns are decorated for the holidays. 1 p.m. to 6 p.m. Admission: $12.50. Details: (301) 865-5055.

Christmas Open House at Beall-Dawson House, 103 W. Montgomery Ave., Rockville. 1815 mansion decorated for the holidays in a Civil War theme. Hours: 2 p.m. to 6 p.m. Free. Details: (301) 762-1492.

DEC. 9-13, 16-20

Candlelight Pub Crawl, Annapolis. Guides in Colonial attire lead lantern-lit walks through historic streets of Annapolis combined with progressive seasonal feast, spirits and entertainment. 7 p.m. to 11 p.m. Reservations required. Admission: $60. Details: (301) 263-5401.

DEC. 12-14


Hampton Mansion Christmas Candlelight Open House, Hampton Lane, Towson. Christmas decorations of 18th and 19th century in rooms that reflect the Ridgely family's hospitality during the holiday season. Costumed guides, refreshments and holiday music each evening by a solo harpist, chamber ensemble or harp ensemble; tea room and gift shop. Hours: 6:30 to 9:30 p.m. Free admission by advance ticket. Tickets limited. Decorations remain through Dec. 31. Hours: 9 a.m. to 4 p.m. daily. Closed Christmas Day and New Year's Day. Details: 962-0688.

DEC. 12-16, 19-23, 26-30

Christmas at Miller House, 135 W. Washington St., Hagerstown. "Visions of Sugar Plums" inspire the decorations in this Federal town house decked with fresh greens and a large Christmas tree in the drawing room. Hours: 1 p.m. to 4 p.m. Wednesdays to Fridays, 2 p.m. to 5 p.m. Saturdays and Sundays. Admission: $2 for adults, $1 for senior citizens, free to students. Details: (301) 797-8782.

DEC. 14, 15

18th Century Christmas Celebration at Hammond Harwood House, 19 Maryland Ave., Annapolis. Traditional decorations in the Colonial manner by garden clubs from the Annapolis area; costumed hostesses; musical entertainment in drawing room; hot wassail and cookies in museum kitchen; greens sale in the garden; craft demonstrations and decorations for sale in gift shop. Hours: 10 a.m. to 8 p.m. Friday, 10 a.m. to 6 p.m. Saturday. Admission: $6 for adults, $3 for ages 6 to 18. Combination ticket that includes celebration at William Paca House: $10 for adults, $5 for ages 6 to 18. Details: (301) 269-1714.

Historic Annapolis Foundation Christmas Celebration. "Colonial and Victorian Side by Side" contrasts the difference between an 18th century Christmas at the William Paca House, 186 Prince George St., and a 19th century holiday at the Gassaway-Feldmeyer House, 194 Prince George St. Each house will be decorated in a manner appropriate to its period. Continuous musical entertainment both days; greens demonstration Friday, 11 a.m. and 2 p.m. at William Paca House; foods cooked from 18th century recipes can be sampled in the William Paca House kitchen on Saturday. Hours: 10 a.m. to 8 p.m. (both houses candlelit from 4 p.m. to 8 p.m.) Friday; 10 a.m. to 5 p.m. Saturday. Admission: $7 for adults, $4 for ages 6 to 18, free for those under 6. Combination ticket that includes celebration at Hammond-Harwood House: $10 for adults, $5 for ages 6 to 18. (Free parking available on Saturday at state lots at Calvert Street and Rowe Boulevard). Details: 269-0432.


DEC. 15

Christmas Light Parade of Yachts, Annapolis Harbor. Over 60 yachts decorated with thousands of lights participate in this eighth annual parade through Annapolis Harbor and Spa Creek, sponsored by the Eastport Yacht Club, 6 p.m. to 8:30 p.m. Free. Details: (301) 268-8836.

Christmas in Historic Chestertown. Annual Christmas tour of 18th, 19th and 20th century houses and public buildings from noon to 5 p.m.; refreshments at Emmanuel Church. Admission: $12.50 in advance, $15 after Dec. 8, $5 for children under 13. Tickets can be purchased on tour day at Emmanuel Church. For advance tickets write Matthew and Jonathan Lester Center Parents' Association, Garnett Elementary School, Calvert Street, Chestertown, Md. 21620. Details: (301) 778-0866.

DEC. 15-17

Victorian Christmas by Candlelight at Surratt House, 9110 Brandywine Road, Clinton. Decorations and traditions of a mid-19th century Christmas with displays of greenery; tours by costume guides; Civil War soldiers as sentries; antique toys; 19th century Christmas cards and tree ornaments; refreshments; visit by Father Christmas; expanded gift shop. Hours: 5 p.m. to 9 p.m. Dec. 15 and 16, 6 p.m. to 9 p.m. Dec. 17. Admission: $1 for adults, 75 cents for senior citizens, 50 cents for students. Details: (301) 868-1121.

Holiday weekend at Historic Waverly, 2335 Marriottsville Road, Howard County. The home of Maryland Gov. George Howard is dressed for the holiday season by the Howard County Garden Clubs.


Dec. 15: Greens show and sale on grounds, 10 a.m. to 4 p.m. Dec. 16: Children's story hour for ages 5 to 10, featuring Christmas stories in the parlor, tour of the mansion, music and refreshments, noon to 3 p.m. (three sessions). Admission: $4. Reservations required, call 465-5997.

Dec. 17: Evening candlelight tours featuring musical entertainment and refreshments from 6 p.m. to 9 p.m. Admission: $3.50 for adults, $2 for senior citizens, $1.75 for children under 12. Details: (301) 313-5400.

DEC. 16

Christmas House Tour, Kent Island. Tour of 10 houses both old and new, never before opened to the public, with musical entertainment and refreshments at Cray House. Hours: 1 p.m. to 4 p.m. Admission: $10. Details: (301) 643-7109.

Crumpton Candlelight Tour. Tour of 12 decorated houses, Christmas music, hot cider and cookies. Hours: 5 p.m. to 8 p.m. (house tour), 8 p.m. to 9 p.m. (music at Methodist Church). Admission: $5 for adults, $2.50 for ages 6 to 12, free for those under 6. Tickets available at Senior Center. Details: (301) 928-5287 or (301) 778-6155.

DEC. 26


Candlelight Church Tour, Frederick. Self-guided holiday tour of 10 historic churches and one synagogue. Each will be decorated for the season with a host to greet visitors and answer questions; musical presentations offered in some churches. Hours: 4 p.m. to 8 p.m. Free. Details: (301) 663-8687.