This collection of Wild West movie memorabilia also claims to hold some secrets of the Lost Dutchman's mine.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

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

Nuclear reactor created the plutonium used on Nagasaki.

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

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

A fine, large-aperture telescope available for public use.

Bonsai trees that are up to a thousand years old.

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

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

This former coal gasification plant found a curious second life as a popular public park.

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

A wall of chewing gum moonlights as collective art.

Couple's personal collection of pinball machines turned public pinball museum.

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

A museum dedicated to the history and exploration of both popular music and science fiction.

A walk through the historic city center, under the streets of Seattle.

A smoke stack so large, the Washington Monument could fit inside!

This tiny movie theater was the last one in the U.S. constructed in the Nuevo Deco architectural style.

A little-visited ghost town state park offers a glimpse into Montana’s "Silver Queen."

The oldest continuously-operating Chinese restaurant in the United States has been in business since 1911.

An entire town preserved as a historic landmark.

This amazingly preserved Gold Rush town is a historian's dream.

The only road through the heart of Glacier National Park.