Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

An unusual art exhibition in a suburban yard is designed to awaken the souls of those flowing by.

Every equinox this Maya pyramid puts on a spooky ancient light show.

This scenic gorge is named after one of the most famous Bigfoot attacks in pseudohistory.

This cramped crevasse saw the entire population of its island suffocated inside its depths.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

These free-roaming horses were once destined to disappear from the land.

Legend says a witch conjured the world's third largest whirlpool to protect Scotland from a nasty pirate.

An underground city of salt.

Defying all odds, this lonely little tree found a home on a log sticking out of a Canadian lake.

This odd Chilean waterfall-cano hotel must be entered via a rope bridge.

One-of-a-kind museum inside the first Boeing 747-400 ever made.

A mysterious spirit totem at the edge of Navajo lands.

Surrounded by ash fields in Iceland, an impossibly verdant valley looks like something out of a fairytale.

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

Two massive rock outcroppings on the Oregon coastline.

These spooky and unusual stone formations create an underworldly landscape.

The Dalai Lama named this New Zealand landscape the "Spiritual Center of the Universe."

Perhaps the oldest vine in North America, this sprawling plant helps make a sweet wine.

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

With well over 130 falls and cascades to brag about, Hamilton, Ontario has earned its stripes as the waterfall capital of the world.

This tiny museum's sizable collection is jammed into a former underground public toilet.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

A part of the world's largest marsh seems to be growing bright red Martian grass.