Antarctica's bustling metropolis, originally established by Richard E. Byrd.

One of the most extreme deserts in the world, these snow-free valleys harbor life, despite the hostile environment.

One of only two civilian settlements in the desolate lands of chilly Antarctica.

One of the world's southernmost bars.

Naked scientists race around the pole in the frigid cold to try to join Antarctica's exclusive 300 Club.

The remains of a medieval city loom in one of the most isolated desert regions of Turkmenistan.

A fiery crater has been burning in the Karakum Desert since 1971.

Neither bomb blasts nor heartbeats escape the giant ears of this super sci-fi Arctic outpost.

A Cold War atomic camp buried under the ice is now emerging because of global warming.

This remote research station sits amid the second-largest ice sheet on the planet.

The world's northernmost flowers cling tenuously to life on desolate Kaffeklubben Island.

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

This sign marks the entrance to a tiny proto-state within the small country of Moldova.

The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.

British Empire's last territorial expansion, claimed by four countries.

Rare mummified forest could offers a glimpse into how our environment has been changed by humans.

The remote graves mark the mysterious deaths of four 19th century explorers.

The closest thing to Mars on Earth.

The Arctic Archipelago is home to world's largest third order island: an island in a lake on an island in a lake on an island.

A famed drink seasoned with an amputated toe, now on its tenth digit.

This remnant of an ancient Persian city is considered to be the world's largest single-span brick vault arch.

Extremely isolated Silk Road caravanserai in the middle of nowhere.