Civil War-era Fort designed to withstand invasion and attack, with tricky traps called "murder holes."

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

The sprawling, eccentric estate of Ames and Ames, a brilliant botanist, and a genius inventor and artist.

The largest arcade museum in the world chronicles the golden age of video games which ended promptly in 1987.

Even Henry David Thoreau found this glacial pothole irresistible.

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

This 3,500 pound obelisk was constructed with more than 1,000 reclaimed guns.

To avoid the demolition costs this abandoned drawbridge was simply left in the up position.