A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

Towering basalt columns, a creation of fire and ice.

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

A seemingly endless landscape of pure salt stretches far across Bolivia.

Natural earth mounds formed in the far north.

Rippling sand dunes frozen in the Arizona rock.

New fungal and bacterial species call this deadly lake home.

Home to nearly a third of the world's mud volcanoes, Azerbaijan is home to a messy, bubbling, and sometimes explosive landscape.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

Largest sub-glacial lake ever discovered.

Moscow's most popular cemetery includes the graves of numerous cosmonauts.

This iconic Russian space museum sits on a landmark space production facility and houses the Vostok 1, the first manned spacecraft, that was also built here.

Museum celebrating the achievements of the Soviet space program.

Secret Soviet city once home to Russian cosmonauts and space training facilities.

World's oldest and largest space launch facility, once a secret missile testing site.

A tropical paradise once home to space exploration and military installations.

This abandoned, turn-of-the-century astronomy hub is now the subject of more photographs than it ever took.

Moscow's imposing monument to the Space Age.

The world's first and only natural nuclear reactor.

Prehistoric park filled with the fossils of dozens of extinct species including Australian megafauna.

Abandoned rock quarry now a haven for mountain bikers and hikers.

One of the most unusual geological features, recognizable from a dozen hit movies.

The most alien-looking place on Earth.

Stroll through a wonderland of stupendous moss-covered trees.