Scientists use one of the saltiest bodies of water on Earth as a terrestrial base for studying water on Mars.

This tiny square mile of Canadian sand was once considered the world's smallest desert.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.

This vertical pinnacle in China was the inspiration for the floating mountains in the movie “Avatar.”

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

A Himalayan monastery claims to have a piece of a centuries-old abominable snowman.

The only thing sweeter than the potatoes is the canine proprietor of this roadside stall.

A miniature village lies nearly forgotten in the forest by the side of a major highway.

A natural gas leak provides a flickering flame beneath a waterfall.

The hometown of a beloved manga artist created a treasure hunt for his popular ghostly characters.

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

What's believed to be the country's first shrine is, in Shintō mythology, the annual meeting place of the gods.

The Yonaguni Monument, a natural formation or the Japanese Atlantis?

A whimsical museum dedicated to the mischievous kappa, a mythical cucumber-loving water sprite.

Scattered monuments in the middle of the Sahara dedicated to the late Egyptian actor and desert explorer.

Humboldt's human-powered sculptures race across land and sea for days on end in a wacky quest for dominance.

A collection of intricate sculptures so small they have to be seen through a microscope.

Massive mounds of golden sand look like a desert landscape randomly plopped in an Arctic forest.

This tiny museum hidden above a restaurant houses thousands of modern and traditional kites.

This abandoned Brutalist treehouse is a hidden architectural relic.

One of the last free public hot springs is decorated with hippie art.