This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

A deserted hodgepodge of experimental structures designed by nearby university students.

A 200-year-old tavern challenges guests to finish a glass of wine while hanging from a ceiling beam.

The world's largest underwater restaurant is submerged off the southern tip of Norway.

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

A floating cat sanctuary on an Amsterdam canal.

Cat art as far as the eye can see.

Museum preserving torture methods from the past.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

A kaleidoscopic warehouse-maze of handmade neon signs.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

One of the largest cat sanctuaries in North America is considered a "Club Med" for felines.

The wreckage still sits at the exact spot the plane crash-landed in 1945, carrying 1,000 pounds of explosives.

Home inspired by the crystal rock formation of the Emerald Estates.

The remains of a Canadian train crash are now mouldering beneath layers of rust and graffiti.

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

This natural French spring has been turned into a magical grotto by Roman and medieval constructions.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

A subterranean shelter remains intact under a busy Paris railway station.

Paris' fabled purveyor of exotic taxidermy and natural history curios.