Sid Vicious famously punched a hole in the wall of this iconic music venue.

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

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

Home to items never before seen by the public.

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

Washington's iconic carousel has a nice piece of Civil Rights history.

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

Look closely and you’ll notice that the color changes a third of the way up the tower.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

The national park was once a plantation estate.

This unique historical monument features large concrete spheres designed to resemble fallen stars.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

The remains of a historic plantation nestled in between a parking lot and the rental car return at Reagan National Airport.

The Pentagon is so large that it was planned like a city, complete with internal highway infrastructure.