Stroll through a wonderland of stupendous moss-covered trees.

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

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

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

The fairy tale castle of the "fairy-tale king."

Medicinal spa created with the discharge from a geothermal energy plant.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The final resting place of New Orleans' most famous voodoo priestess.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

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

Elevated freight railway turned wildly successful urban park.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

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

A walk through the historic city center, under the streets of Seattle.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

A giant Troll lurks under one of Seattle's oldest bridges.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

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

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.