Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Tubing through a cave lit with glowworms is a magical underground experience.

This stunning concert hall has become a symbol of Iceland's national recovery.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

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

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

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

An exotic wildlife habitat right off The Strip.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

Home of Howard Hughes' Spruce Goose.

A massive sea stack famous for its appearance in The Goonies.

The magic's in the hole!

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

A former department store turned into a quirky restaurant.

A Wild West jailhouse that slid down the mountainside.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

A spiritual vortex among the red rocks in Sedona.

The source of America's longest river is also a historical landmark and the start of a famous nude run.