Unknown to many, this sparkling turquoise lake hides amid Oregon's snowcapped mountains.

Rushing water plunges over a 100-foot drop created by an ancient lava flow at this majestic waterfall.

While it is not equipped to peer into outer space this observatory looks like it was built on the moon.

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

This hidden gem in Arizona is truly worth the rugged journey.

This mesmerizing and surreal landscape features intricate patterns of white and red sandstone.

Most-visited and most-photographed slot canyon in the American Southwest.

South of Bologna, a limestone grotto with a protruding waterfall and a floor full of cave pearls.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

With over 340,000 artifacts and counting, there is something for everyone, often called the "Smithsonian of the West."

The largest island on the great salt lake is home to curious creatures and strange stories.

A former gold rush boomtown has managed to stay in business for over 100 ramshackle years.

Jurassic Park—A Still Life.

Eat burgers beneath gargantuan taxidermy and thousands of dollar bills in Utah's oldest continuously-operating bar.

This landmark church at the Flathead Reservation mission features 58 ceiling and wall frescoes painted by the mission's cook.

One of America's largest retail chains got its start in one of its most remote rural destinations.

See just what life was like in a 19th-century prospecting town.

This canyon is named for a unique geologic formation where the river vanishes underground near the mouth of the canyon and reappears farther down.

The world's largest mineral hot springs is home to a herd of bison, a free public bath house, beautiful mineral formations, and a terrifying swinging bridge.

A former sanitarium where soldiers were sent to recover in the healing waters of hot springs.

This set of hot springs also comes with fantastic views.

The old fire tower is one of the last of its kind in the United States.

This town is home to the world’s largest arch constructed entirely of elk antlers.