A once-glowing grotto at the bottom of Waikapalae Wet Cave.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

The ruins of this Dutch castle sit atop a labyrinth of once-secret tunnels and passageways, dating back over 900 years.

A stately palace has been converted into the world's largest cannabis museum.

A deserted 20-lane highway runs through Myanmar's empty capital city.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

An easy to overlook storefront hides some of the most authentic and regionally diverse Chinese food in New York.

Together they left this world, and together they shall remain for all eternity.

This little-known, 35,000-specimen collection in Greece is a lepidopterist's dream.

A herd of 150 bison live on California's Santa Catalina Island and are at the heart of an ongoing debate between environmental protection and economic expansion.

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

The legend associated with these ruins understates the splendor of the mansion that once stood here.

In the middle of the desert, miles from any human life, sat an anomalous pay phone that still magically answers your calls.

Art Deco and “Wrenaissance” mash-up, this recently restored royal residence has been home to kings and comes with secret monkey passages included.

The remains of a World War II munitions factory still haunt the fields of this Twin Cities suburb.

This little barrel-shaped cottage by Lake Superior was once a cartoonist's summer retreat.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

The last woman executed for witchcraft in Europe is remembered in this Swiss museum.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

Crumbling ruins mark the site of a couple's grisly murder in the woods.

Perched on a spindly rock spire in a Greek archipelago, this lighthouse would make a perfect wizard's tower.

An abandoned asylum once on the cutting edge of lobotomies may be reborn as a Christian college.

Even with only two residents and one building, this tiny Illinois town is famous for its burgers.