A stunning cemetery famous for its extraordinarily delicate & lifelike mourning sculptures.

An ancient monastery, a locked room, and a mysterious book heist.

Cows on a ranch are commonplace, scattered cow bones everywhere? Not so much.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

Venice's "Island of the Mad."

A Belle Epoque bordello turned into a themed love hotel.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

The ghost town that ended up on Ebay.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

Treehouse motel and treehouse-building school.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

The most alien-looking place on Earth.

Seller of surplus nuclear research materials.

Step into the cool deep past and unknown future of who begat who.

Despite being a perfectly pleasant place to be, Loyalton can't seem to attract any visitors.

Rippling sand dunes frozen in the Arizona rock.

340 bicycles, 65 feet high.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

A living time capsule of the 1960s Richardson Bay water-front.

The smallest country in the world.

A reproduction of earth's many biomes.

A self-built castle made by a mysterious man.

An urban laboratory.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.