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

Quirky movable sculptures have been racing through the town since 1983.

A library of only unpublished manuscripts.

An abandoned 19th-century hospital now swirling in ghost stories.

From overly ambitious (and eventually abandoned) atomic dream to bustling office park.

This parking garage has given itself over to graffiti artists and the neighborhood can't thank them enough.

Walking by this fence is like strolling along a portal to various fictional worlds.

A Boeing mechanic and his wife leave a whimsical, stone sculptured garden as their legacy.

Not far from Mount Rainer, an iron wonderland claims the landscape.

A bust of the first president welcomes visitors to the only town in America called George, Washington.

Five varieties of trees with custom-designed grates around the trunk are planted along the route of the Seattle Transit Tunnel.

This working class sculpture pounds his hammer all the livelong day.

This sci-fi gazebo located in a Washington power town is made from old bits of industrial electrical equipment.

The four tall pillars once marked the entrance of the historic Seattle church that fought for women's suffrage and civil rights.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

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

Leave a button on the jacket of this iconic Seattle clown.

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

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

Tour the original street level of Port Angeles, buried underground in 1914.

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

One artist's yard is full of shining, whirling kinetic sculptures that look like pure steel psychedelia.

This large Sitka spruce that appears to be floating in mid-air, has defied logic for years.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.