Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

One of only two commuter aerial tramways in the United States.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

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

The very center of Paris is surrounded by a bevy of strange good luck rituals.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

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

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

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

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

Northern Ireland's Brobdingnagian stepping stones.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

Rising from the sea like a stone monster.

A winding path built in secret on the edge of the continent.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Abandoned railway line circling the city of Paris.

Try not to get slimed in Tribeca.