The remains of diamond fever taken over by the desert.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

A reproduction of earth's many biomes.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

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

Renaissance villa and gardens complete with a tormented colossus.

A lake with hundreds of ancient skeletons surrounding it. The surprise is what killed them.

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

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

Featuring a casually threatening atmosphere along with dessert and coffee to die for.

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

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.

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

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

More gold than anywhere else, ever.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

Take a drunken tour inside the world's largest known geode.

This massive library holds what was once the largest book collection in the world.

This classic restaurant features a gorgeous mirror-clad room.