This three-story antique market and curiosity emporium claims to be "the largest singly owned antique shop in the Pacific Northwest."

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

Tacoma’s 25-foot coffee pot music spot has served up over 80 years of concrete kitsch.

The historic bar where local ship captains, traders, and gold miners would come together to do business a century ago.

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

This impressive tunnel was dug entirely by hand over the course of 36 years.

The ghostly remains of what was once the world's richest copper mine.

The ruins of Theodore Roosevelt's beloved ranch stand in a forgotten corner of a national park named after him.

The world's longest known cave system.

The simple log cabin of a famed loner and naturalist stands preserved as a symbol of the ultimate DIY lifestyle.

This conservation area is also home to many of the region's desert tortoises.

The longest living non-clonal organisms on Earth.

The only road through the heart of Glacier National Park.

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

An abandoned mine where dreams of quicksilver trickled away over 75 years ago.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

When this test site was abandoned, they didn't even bother to take the rocket with them.

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

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

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

A community of collapsing homes more than a mile out from the Florida coast.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.