The world's most remote permanent settlement on an active volcano.

It might not be as impossible to reach as its name would imply, but just about.

Final resting place of Antarctic explorer Ernest Shackleton.

This uninhabited volcanic island is the most remote in the world.

Scattered ruins and a tiny cemetery are all that remain of a failed attempt to colonize the inhospitable Desolate Islands.

French scientists make up the majority of the few humans to occupy this remote island in the extreme southern Indian Ocean.

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

Considered the most remote point in the entire world.

Largest sub-glacial lake ever discovered.

Australia's only active volcanoes and highest peak are located on these remote islands thousands of miles away from the mainland.

North Korea's massive "hotel of doom."

Most polluted lake in the world, used as a radioactive dumping ground for years.

Unused mast taller than every structure in the EU.

Stalin's prisoner-built rail line sits in ruin, never having a single car ride its tracks.

Site of the largest impact event to occur over land in Earth's recorded history.

The world's second-largest excavated hole.

Five mile wide circular ring of rock in the Russian Far East is a curious geological oddity.

A remote forest of stone pillars along the Lena river.

The giant Siberian crater known locally as the "doorway to the underworld" is expanding every year.

Site of the world's largest nuclear explosion.

The closest thing to Mars on Earth.

Over 400,000 birds spend their summers nesting on this small Arctic island.

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

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.