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

An isolated dive site teeming with cnidarians.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

European castle ruins in an American state park are actually the product of death and grief.

A unusual sanctuary for abused and exotic animals in South Jersey.

This beautiful "lagoon" is actually a toxic soup filled with cars, carcasses, and trash. When warnings couldn't stop people from going for a dip, the town dyed it black.

Soaring over the Niagara Whirlpool since 1916.

The remains of three Luftwaffe launch pads designed for manned anti-aircraft missiles.

A gargantuan crystal kingdom.

This 80-year old mannequin is so lifelike it is believed to be an embalmed corpse.

A unique Tuscan hideaway acts as an art mecca as well as a hotel.

Geothermal waterfalls in Tuscany.

A 16th-century horror show built in a lovely Italian garden.