A rotating cast of guys and dolls in front of a Washington, D.C. building.

A historic arena where the Beatles played their first concert in the U.S.

This grisly headstone doesn’t seem to be resting in peace.

The wooded estate of the Forest Service employee responsible for D.C.’s cherry blossom trees.

A remote horde of architectural treasures fit for Indiana Jones.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

The elevator hidden in a smokestack on Roosevelt's yacht now serves as a monument to the former president.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

This free, take-a-book shop seems like a trick but isn't.

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

A museum dedicated to exhibiting remarkable outsider art.