Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

Southern Ocean waters and glacial forces transform the Antarctic ice into these stunning bridges and caves.

Fire meets ice at the southernmost volcano on Earth.

Mysterious hillside with a continuously burning natural fire.

Resonant stone, that has been played since prehistoric times.

The rocks of a certain area of Butte, Montana give off a musical ring when hit.

Mysterious rocks that ring musically when struck.

A park full of outsider art, created by college students studying outsider art.

What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

The most powerful waterfall in all of Europe.

A Cuban artist reclaimed his impoverished neighborhood as a dreamy folk art kingdom.

An eatery for UFO seekers on the Extraterrestrial Highway.

If you want to take a peek at Area 51, this is legally as close as you're going to get.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

Mysterious meeting place for UFO hunters near Area 51.

A psychedelic labyrinth on the San Francisco bay.

A computer bug so primitive it was an actual insect.

Each year melting snow turns these Austrian hiking trails into scuba zones.

This deceptively salty lake looks like blushing pink lemonade.

A salty red wasteland in Tanzania is a breeding spot for endangered flamingos.

The saltiest lake in all of Crimea is also the pinkest of the pink and teeming with life.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.