This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

America's most famous piece of self-built architecture.

The legendary building that needed ghostly approval before being built.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

A petroglyph map of the upper Snake River carved by prehistoric hunter-gatherers.

Jail from the 19th century that was built by inmates.

Now housed in a museum, this giant pink elephant stood in downtown Seattle for more than 60 years.

These memorials built by an eccentric bachelor on the side of Interstate 5 cause both wonder and traffic accidents.

The longest and widest floating bridge in the world.

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

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

Nuclear reactor created the plutonium used on Nagasaki.

A frozen relic of Seattle's hydroelectric boom is now a teaching facility for future engineers.

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

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

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

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

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

The first park built over a freeway is a brutalist masterwork.

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

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

A wall of chewing gum moonlights as collective art.

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