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

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

There’s a hidden military meme engraved on the World War II Memorial.

On the Fourth of July this area will transform into a Pompeii-like storm of falling embers and ash.

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

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

"Polynesia on the Plains."

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

The medieval woodcut-style artwork chronicles life in medieval London.

The first plantation museum in the United States to focus on the lives of enslaved people.