People come from across the globe to swim in this lake believed to have healing properties.

The highest point in Washington state is a volcano covered in glaciers.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

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

Despite a legend that says this highest peak in Oregon was climbed in high heels, scores of people have died on its slopes.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

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

Despite his legacy of work in Spain, Cuba, and Florida, the larger-than-life writer's grave is a simple affair tucked in an Idaho cemetery.

Home to the deepest rift anywhere on Earth.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

The self-made house sculpture of an outsider artist who named himself "Chief Rolling Thunder."

In 1954, two enormous earthquakes occurred just minutes apart, resulting in prominent scarps that extend for miles along the range fronts.

A tree bears footwear on the loneliest road in America.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

A sculpture for the sun and stars, created by Nancy Holt.

This former rail stop in Utah was abandoned, repopulated by some nostalgic friends, and now is home to a single DIY aviator who lives in a hangar.

A whimsical, punny collection of "fence art" outside the tiny mountain town of Baker, Nevada.

The longest living non-clonal organisms on Earth.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

This crumbling stump is all that remains of what was once thought to be the oldest living organism.

These huge stone ovens in the desert fueled the Nevada silver boom, and may have also been a hideout for outlaws.

This massive crater in the middle of nowhere was used to train astronauts for moon landings.

In the middle of a remote desert town is a surprisingly opulent hotel.