An abandoned Soviet-era park that, when viewed from the air, looks like a pentagram.

An entertainment center in a huge transparent tent.

An abandoned Soviet-era mining town in the mountains of South Kazakhstan.

This underwater cave in Madagascar is home to what is thought to be the country's largest fossil graveyard.

A medieval bridge stretches over a sulfur-rich river that leads to year-round natural hot springs.

A naturally beautiful, seemingly bottomless deep blue spring.

Disused penal colony features prisoner artwork, some sketched in human blood.

A secret climbing tree hides along the side of a Costa Rican road.

Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.

This Costa Rican topiary park is a surreal garden of unearthly delights.

"Unity, Creativity, Beauty."

A flamboyant five-story building in Bulgaria resembles a crawling snail.

An abandoned saucer-shaped monument in the Bulgarian mountains.

An architectural marvel that spans the Arda River, and has stories of a haunted past.

The animals wander freely amid this gorgeous stretch of nature.

Ancient stone dildos and other odd pieces of medical history are displayed at this quirky Cyprus gem.

A 1970s resort city now stands abandoned, caught in the middle of a divided island.

For nearly 2,000 years this church has been waging war on local snakes by importing cats.

A magical museum of fairy tale treasures near Cyprus' buffer zone.

Dilapidated ruins that once treated a notorious young serial killer, currently hosting vandals, squatters, and ghost hunters.

The largest collection of medicinal plants in Australia is also home to a witch who will show you how to use them.

A small, but award-winning beach known for its literally spotless reputation.

The only pollutant in the clear blue water is sunscreen.

A castle hand-built by a Spanish dreamer in the Australian tropical jungle.