The closest thing to Mars on Earth.

A site of natural wonder and flying coconuts in Samoa.

Three wildly colorful calderas top this otherworldly volcano chain.

Australian holiday town hosts world's largest bowling ball.

This large round boulder is said to emit spiritual power, but it may just be magnets.

Now home to nothing but a weather station and a landing strip, a group of enslaved people were marooned on this tiny island for 15 years.

At the very tippity-top of Europe is a cliff from which you can view the midnight sun.

The world's most remote airport.

At high tide, the base of the lighthouse covers practically every inch of the island.

In the northernmost city in the world, it's illegal to be buried because it’s too cold for bodies to decompose.

This abandoned mining village was predicted to resist decay longer than any other modern human settlement.

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

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

The largest piece of no man's land left on Earth.

Fire meets ice at the southernmost volcano on Earth.

At the point of oceanic inaccessibility, you can't get farther from dry land without leaving the planet.

A desert island with both a buried treasure and a famous castaway.

An abandoned guano-mining city in the South Pacific.

The world is full of swimming holes, but few compare to Samoa’s idyllic To Sua ocean trench.

The ruins of an ancient island city built atop a coral reef in the South Pacific are spectacular and strange enough to have inspired H.P. Lovecraft.

Giant money stones of Yap.

This phantom island appeared on maps for over a century before amateur radio enthusiasts beat Google Earth to the punch in its "undiscovery."

Amelia Earhart's possible place of death.

The press that first printed the Book of Mormon.