2. Jet to Jamaica's white beaches and Blue Mountains. When the temperatures drop, the vision of Jamaica's stunning white beaches and beautiful Blue Mountains gain added appeal. You and your family can mountain bike to waterfalls and raft the Rio Grande aboard traditional bamboo rafts. Snorkel, sunbathe and soak up the culture that Bob Marley made famous. If you are more inclined to enjoy the special mysteries of the Galapagos Islands (above), you'll enjoy a $300-per-person discount for bookings made before the end of 2009. Contact: 1-800-451-6034; www.RowAdventures.com.