Lithuania's outdoor sculpture trail of wooden folk art.

The ship that got left behind.

A hotel with a rich Wild West history of miners and bootleggers.

This spectacular track has run continuously since 1882.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A tunnel with windows, so you don't miss out on the impressive views.

Mysterious meeting place for UFO hunters near Area 51.

It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

The easternmost town in Alaska can only be accessed from Canada.

Denmark’s never-ending bridge.

This National Natural Landmark is one of the best examples of a “mass wasting” in the world.

A lake with hundreds of ancient skeletons surrounding it. The surprise is what killed them.

Countless grotesque faces stare out from this eerie Prague art wall.

270 million year-old forest of stone.

Camels and crocodiles share the black waters of this stunning Saharan oasis.

A fearsome dragon clings to a corner of Munich's city hall.

Eight "Guardians of Health" protect this art deco water tower from pollutants and bacteria.

Sited in an Inner Mongolian desert are the remnants of an important trade stop along the Silk Road.

Abandoned ships along a deserted beach feel like the set of a post-apocalyptic thriller.

The world's largest ship graveyard is the product of decades of corruption.

The watery grave of Captain Bligh's famous ship.

The ruins of an ancient island city built atop a coral reef in the South Pacific are spectacular and strange enough to have inspired H.P. Lovecraft.

Tropical paradise strewn with hundreds of World War II wrecks.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.