See the sites of Washington, D.C., with a Sites@Nite Tour that begins and ends at The Old Post Office Pavilion. You'll learn about the National Mall, the Tidal Basin by the Washington Monument, the war memorials, Lincoln Memorial, FDR Memorial and the Jefferson Memorial as you bike and even stop to walk through these sites. Tours are for adults and children, are three hours long and include a bike, helmet, snack, bottled water, safety lights and reflective vest. As of 2010, guided tours are offered daily March 28 through October 25.
The Smithsonian Institution, the world's largest museum complex, with 137 million objects, artworks and specimens, is home to 14 museums in Washington, D.C., and the National Zoo. View exhibits in the African Art Museum, Freer Gallery of Art and Arthur M. Sackler Gallery, Air and Space Museum, Hirshhorn Museum and Sculpture Garden, American Art Museum and its Renwick Gallery, Natural History Museum, American Art Museum, American History Museum, Portrait Gallery, American Indian Museum, Postal Museum, Anacostia Community Museum, Arts and Industries Building and Smithsonian Institution Building.
While visiting the 163-acre National Zoo you can see approximately 2,000 animals from more than 400 species from African plated lizards to Zebras.
Admission to Smithsonian museums in Washington, D.C., and to the National Zoo are both free and open daily, except Christmas Day.
Tourists can take a 30-minute guided tour of Cedar Hill, abolitionist Frederick Douglass' house, and explore the grounds. You can walk along hill, take in views of downtown Washington and even enjoy a picnic. In the visitor center you can view exhibits, watch a 17-minute movie about Douglass' life and purchase gifts in the book store.
Frederick Douglass National Historic Site is open daily except Thanksgiving Day, December 25 and January 1.