Former home of Post cereal heir Marjorie Merriweather Post houses the largest collection of Russian imperial art outside of Russia.

A truly green spectacle, with a jungle, a National Garden with a First Ladies water garden, a rose garden and exhibits on ecology and evolutionary biology.

Open area of gardens, fountains, trees and monuments stretching nearly two miles between the Capitol and the Lincoln Memorial.

Part of the Smithsonian Institution, the Hirshorn Museum features an exciting collection of 20th-century art and its companion scultpture garden is not to be missed.

Not just a park in the city, but a kind of leisurely museum, with a scattering of Civil War forts, a cemetery and a 19th-century mill within its bounds.

This garden displays elaborate geometric designs.

Home of the founder and the first headquarters of the National Council of Negro Women.

A museum and research center for Pre-Columbian and Byzantine art.

A park which surrounds the Tidal Basin and includes the Vietnam, Lincoln and Jefferson Memorials.

A 185-mile canal which runs from D.C. to Cumberland, Maryland.