The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

The iconic D.C. restaurant where the Cuban Missile Crisis was negotiated, now a Walgreens.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

A diminutive memorial marks the site of a successful assassination by a right-wing death squad in America's capital.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

At 207 feet, one of the world's longest continuous escalators.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

The site of the climactic scene from the classic horror film is now a historic landmark.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.