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

A collection of outdoor mystical statues paying homage to indigenous Australians and ecological stewardship.

Nature is leading a successful mutiny on this century-old freighter.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

Some of the world's only freshwater seals live in one very special lake in Russia.

Stalin's prisoner-built rail line sits in ruin, never having a single car ride its tracks.

Dark, eerie exhibits make for a surreal exploration of the subconscious.

The world's first museum dedicated to the work of game-changing naturalist Charles Darwin.

The coldest city in the world.

A small part of Russia that does not touch any other part of Russia.

A dormant lightning machine equal to all the power in Russia.

Siberian ghost town built by gulag prisoners.

A Marxist summer camp full of fantastical statues lies tucked away and forgotten in the forests of Moscow.

Moscow's imposing monument to the Space Age.

Abandoned castle was once a grand example of Russian privilege, built exclusively to win a frivolous bet between noblemen.

Moscow's most popular cemetery includes the graves of numerous cosmonauts.

Secret Soviet city once home to Russian cosmonauts and space training facilities.

It took over half a century but a Russian monument to a famous and tragic space pup finally stands in Moscow.

Museum celebrating the achievements of the Soviet space program.

Thirteen sculptures in central Moscow graphically depicting vices of the modern world.

Dr. Strangelove-esque tours reveal the inside a bunker once reserved for Stalin himself.

This ancient village and its adjoining cemetery have a beautiful history of death and remembrance.

Climb around the high waterfalls on series of iron ladders and bridges within the wildest gorge in the Slovak Paradise.

The blood-soaked ruins of the castle where the murderous Blood Countess was walled in alive.