The shelves in the back of this thrift store are devoted to saving, not selling, retro tech.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

Decades before the scandal, this staircase on the river was a literal "water gate."

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

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

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

When it comes to handsignals (and colonialism) rock always beats scissors.

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

There’s a special club house at the top for the bell ringers.

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

A tiny piece of the Moon is embedded in this stained glass masterpiece.