The only Native American museum along the Oregon Trail, run by the peoples who have lived on the land for generations.

The largest wooden building in the world now houses a fascinating collection of aircraft.

Home of Howard Hughes' Spruce Goose.

Is this the most Portland place ever?

This Puget Sound military post has a long, turbulent history as a gateway to the Pacific.

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

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

A 1940s nuclear reactor built to produce plutonium for the Manhattan Project.

Nuclear reactor created the plutonium used on Nagasaki.

A 50-year old dive bar that has its own yacht club.

A sliver of nostalgia in Seattle's Viretta Park.

The site of the Wellington avalanche, one of the America's worst railroad disasters.

This graveyard contains markers and monuments dedicated to some of the darkest chapters in Washington's history.

An outsider art duo's yard has been turned into a whimsical public gallery.

One of the oldest continually operating drinking establishments west of the Mississippi.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

Legend says that these tall basalt pillars are the petrified wives of a trickster god.

A "sinister, whimsical, tacky, and really orange" public art installation hidden under a Seattle bridge.

Hundreds of hopeful gold miners came here to get rich, but only two years later the small town was deserted.

The final resting place of one of the most sensational guitar players of all time was created only after his father got the rights to his music.

A whimsical village of unique treehouses resides in a Washington forest.

This long, dark tunnel is open to hikers, but those without lights are known to get confused even on the straight path.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

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