We'll continue to update this list of cultural and commercial institutions shutting down for the day. If you know of additional closings, please note in the comments field. The B&O Railroad Museum is closed. The Irvine Nature Center is closed. The Maryland Zoo in Baltimore is closed. A number of local attractions are typically closed on Mondays: American Visionary Art Museum, Baltimore Museum of Art, Baltimore Museum of Industry, Great Blacks in Wax Museum, Maryland Science Center, Port Discovery, Reginald F. Lewis Museum of Maryland African American History & Culture and the Walters Art Museum.