The underground sanctuary of a mysterious ancient cult.

The yawning maw of this pagan visage is said to bite off the hands of liars.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

An alchemist's "magic door" stands in the middle of a Roman park.

A winding path built in secret on the edge of the continent.

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

Moscow's other, lesser known kremlin is a fairytale-like cultural complex modeled after Old Russia.

Immortal combat in a Moscow museum.

Beijing's World Park offers the excitement of international sites without the travel.

This probably wasn't what Mao had in mind.

Started as a kitchen garden, now the second largest botanical garden in the world.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

An eerie, derelict amusement park in Berlin.

A beautiful Victorian-era cemetery, complete with a miniature village.

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

This dramatic sea spire is home to the world's rarest insect and is part of the lost continent of Zealandia.

Sleep snuggled in a sphere suspended atop the forest canopy of Vancouver Island.

An old world fairytale-land with over 350 fairy folk figurines hidden amongst 800 year old cedars.

An ancient Viking village in North America that predates Columbus by 500 years.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

This expansive bridge in the Canadian wilderness was originally just built for friends.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.