Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

Stalactites and stalagmites in a beautifully lit cave.

Terrifying derelict military hospital once housed a recuperating Hitler.

Started as a kitchen garden, now the second largest botanical garden in the world.

Ghosts of France's colonial past.

Got apples?

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Indents in the pavement are all that remain from a grisly death machine in Paris.

Where the high court feasted, frolicked, and high courtesans put their royal lovers' diamonds to the test.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

The red crab exhibits one of the most spectacular migrations on earth, despite manmade obstacles.

Hindu temple of the dead home to hundreds of long-tailed macaques.

A Balinese resort, empty and trapped in time.

Sacred waters rescued from the wrath of a volcano.

A hotel and restaurant serving as the mecca of kitsch.

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

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Rocky Atlantic beach home to a stunning stone arch.

This was once the center of the Birdman cult, and is now a World Heritage Site.

Named for the DeFoe novel inspired by a stranded sailor, this island is known for its rare plants and extreme beauty.

A sunken idol welcomes parishioners to Davy Jones' Locker.

Remote town home to Himachalis, Israelis, and tons of hashish.