George Washington, Thomas Jefferson, and the commissioners of DC judged the competition. Jefferson submitted drawings for the White House design himself, but Irish architect James Hoban won the ...

The District’s National Cherry Blossom Festival’s opening ceremony was Saturday — but the festivities aren’t just limited to ...

Map for Smithsonian Museums in the Washington, D.C., Area (PDF) with Metro subway stops and non-Smithsonian landmarks. Accessibility Map for Museums on and Near the National Mall (PDF) with accessible ...

On a hot day in Washington, D.C., for example, temperatures varied nearly 17 degrees F between the warmest spot and the coolest. To cope with the heat, many cities are planting trees and carving ...