Ruins of a German Castle on top of a towering stone pillar.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

A beautiful geyser under environmental threat.

The first declared National Monument in the United States.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Rising from the sea like a stone monster.

The atmospheric road was never meant to be so creepy.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

Staves, storm-calling, and of course, necropants.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Hot springs monkey spa in the middle of Hell's Valley.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

An exquisite tunnel of cascading flowers.

On Japan's Tashirojima Island, cats are king.

A magical place that lets you play in and explore the world of Studio Ghibli.

A terrific purveyor of natural history objects and curios.

The vast, legendary catacombs hold secrets much stranger than stacked bones.