Hot springs monkey spa in the middle of Hell's Valley.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

A snapshot of the city's fascinating voodoo culture.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

World's first "penitentiary," meant to be humane, drove men insane.

A popular swimming hole that hides one of America's most deadly diving spots.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.