Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

The body of one of the world's most famous outlaws is covered in cement and iron to prevent it from being stolen.

A medical facility that has been kept frozen in time.

This freshwater spring fills with 10,000 gallons of water per minute.

A two thousand year old brothel uncovered in Northern Greece.

The glowing blue Nymphaeum of Emperor Tiberius.

Pompeii's less famous neighbor is still revealing her secrets.

The Emperor Tiberius' palace of debauchery.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Erotic art covers the walls of the largest ancient pleasure palace.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

Celebrated as a center of civilization, the remains of the ancient city have been nearly destroyed by greed, egoism, and war.

Temples adorned with intricate, erotic sculptures make up one of the "seven wonders" of India.

The oldest stone house in Paris was built by its most famous alchemist.

The final resting place of the poets Shelley and Keats.

This private island is still in the family after a 400-year history including a witch hunt and a pirate.

This Parisian fountain is a little bit fantasy and a little bit nightclub.

An isolated dive site teeming with cnidarians.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

A monument to the art of slicing people open.

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

An unknown Hall of Fame in Jackson, Tennessee.

An engraved boulder marks the spot where Patsy Cline's life ended in a plane crash.