A mining town once rife with murderous disputes over its copious treasures now creates income as a popular spot for photo shoots.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

One of the most accessible undersea plane wrecks in the world.

A towering baroque basilica jutting out of the French countryside.

New Orleans' famous cemetery, located on the site of a former race track.

An eccentric company offers eccentric millionaires the opportunity to have spaceflight-related experiences.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

This impressive tunnel was dug entirely by hand over the course of 36 years.

A world-class observatory in the California desert.

An abused and forgotten metropolis, abandoned for centuries.

"Stairs of the Turks", a chalky white cliff eroded conveniently into stairs, allowing for easy pillaging.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

An Italian hillside ghost town.

These spooky and unusual stone formations create an underworldly landscape.

An underwater road considered a possible Atlantis location.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

"World machine" built by an untrained Austrian farmer.

Sculpture garden of religious statues made it through Soviet rule.

This outsider art house has gone from clinical creation to astounding artwork.

Lithuania's outdoor sculpture trail of wooden folk art.

An eerie, derelict amusement park in Berlin.

Ruins of a German Castle on top of a towering stone pillar.