Two thousand artifacts from around the world collected by one woman who loved to travel.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

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

An enormous, inside-out glass globe built in 1935.

Large, airy hallways hide within an impenetrable fortress that beckons urban explorers.

A musical instrument played by the sea.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

An ethereal glowing blue ocean cave in Croatia.

Underwater restaurant at the coral reefs of Eilat.

An ancient tunnel in Jerusalem built to redirect water in the event of a siege is one of history’s great architectural innovations.

A magical oasis in the middle of the Negev Desert.

A serene desert oasis speckled with ancient artifacts.

An ancient quarry rediscovered by a dog and claimed by biblical kings, a German cult, and the Freemasons.

Submerged ruins of a Neolithic coastal settlement, where houses, wells, graves and skeletons have been unearthed.

The most peaceful "country" in the Middle East.

This family tattoo parlor has been inking religious pilgrims in the Middle East for 700 years.

The home of the Dead Sea Scrolls is an abstract modernist dream.

The bluer than blue waters in these natural Israeli caves are reached via the world's steepest cable car.

You can row a boat through this ancient underground reservoir.

This mysterious twin turboprop Grumman G-159 covered in graffiti has spent a decade and a half abandoned.

The mysterious 855-foot zigzagging stone wall has been baffling people for centuries.

A mysterious inscription may hold a clue about the "Lost Colony" of Roanoke.

Hidden amid the old-world charm of Savannah is a museum dedicated to the world of oddities and criminal history.

Performers, intricate sets, and a real speakeasy tell the story of the 18th Amendment.