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

The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.

Sleep beneath the big screen at this old-school movie theater.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

Nuclear reactor created the plutonium used on Nagasaki.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

The statue honors the booming birds Rothsay, Minnesota, is famous for.

An oversized Van Gogh reproduction is one of three massive sunflower paintings across the globe.

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

100-year-old shipwreck you can walk up to at low tide.

Always a new use for this old building.

An abandoned Cold War missile radar site.

A giant sculpture dedicated to a staple of South Bend food culture.

This grove of ghostly cedars was killed in 1700 by an enormous tsunami, felt from the United States to Japan.

Perhaps the world's only gas station inspired by a political scandal.

This tiny home built on revenge appears to be scarcely wider than a Volkswagen.

"Enter and be entertained or annoyed by Dada in Walla Walla."

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

This impressively large collection includes crackers shaped like Jimmy Carter, Mickey Mouse, and more.

An American city stranded at the tip of a Canadian peninsula where strict adherence to the "49th parallel rule" became problematic.

The century-old remains of an abandoned farm town in eastern Washington.

42nd story Pyramid shaped penthouse tops Seattle's oldest skyscraper.

In this subterranean brick arcade, a small shop continues the ancient practice of bookbinding.

Home of Jake the Alligator Man, the mummified remains of a cigar smoking, cross-dressing celebrity of the Northwestern coast.