This abandoned island off the Venetian coast has been a radical monastery, a political prison, and a secret Nazi base.

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

Famously misunderstood wonder of the ancient world

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

Notorious artist squat renovated into legal studios.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

A swing to dangle you off the very edge.

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

A massive underwater sinkhole made famous by Jacques Cousteau.

A fiery crater has been burning in the Karakum Desert since 1971.

Dramatic river bend surrounds a natural red-rocked pedestal.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

An eerie, derelict amusement park in Berlin.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

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

Two stunning 17th-century libraries and a cabinet of curiosities.

This artificial cave looks like something out of a fairytale.

Walk through Czech history in Prague's largest graveyard.