Nature

This "floating island" plateau sits 7,671 feet above the forest floor.

One of the world's largest salt caves is filled with fragile salt sculptures, salt rivers, and huge salt megadomes.

A remote forest of stone pillars along the Lena river.

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

Spiral alpine structure provides an alternative experience of viewing the Matterhorn.

Over a thousand feet beneath the Detroit streets is a subterranean metropolis few are allowed to enter.

The world's largest bioluminescent area was undiscovered by science until 2005.

Once the home of a hermetic monk, this cave now houses a small church.

This small primate research island is teeming with playing, fighting wild monkeys.

England's most notorious suicide spot.

Astonishing rock formations dot the Brimham Moor landscape.

Over the dunes of the Empty Quarter, the mysterious music of the desert.

Remember that scene in the Matrix, when Neo is in the big white room with all the weapons flying by? Well, this is what it would look like if he had wanted trees instead of guns.

The Jesus tree of Malta bears a striking resemblance to Christ on the cross.

The lake that fills and empties itself at random.

A restaurant and observation deck built in a unique broadcasting antenna.

A 90-acre park on former landfill that hosts an annual kite festival.

A white oak with property rights.