The only diamond mine in the world where you can keep what you find.

The tallest sea cliffs on the Southern Hemisphere are a climber's worst nightmare.

The only surviving prototype for Buckminster Fuller's house of the future.

Stunning examples of Russia's 18th-century wooden architecture.

An ancient stone fortress considered by many to be the eighth wonder of the world.

An ancient neolithic tomb that only sees the sun twice a year.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

Some of the clearest water anywhere in the world.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

A limestone wonderland of water and subterranean secrets.

This tumultuous Icelandic lava field looks so alien European researchers want to use it as a stand-in for Mars.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

A small, but award-winning beach known for its literally spotless reputation.

This vertical pinnacle in China was the inspiration for the floating mountains in the movie “Avatar.”

The remains of what was, not so long ago, the world's largest city.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

The world's only known button museum.

A pub that is literally in the middle of nowhere, but continues to do business.

This famous city eluded concrete detection until the early 2000's.

An explosion of natural color known as "the river that ran away from paradise."

Florida castle built with aluminum printing plates.

Mountain where Jesus was first tempted by the Devil.

A mecca for India's Jains.

This hunter-gatherer architecture is believed to be the oldest religious complex known.