Ride the subways of yesteryear.

The second tallest railway trestle bridge in America.

This contemporary art museum is filled with other, smaller museums, which feature work from artists primarily in the Pacific Northwest.

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

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

The oldest apple tree in the Pacific Northwest.

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.

Every drop of water in this 27-mile long reservoir was pumped up from the Columbia River using power from Grand Coulee Dam.

The largest non-native tree in Washington

This park celebrates a sister city relationship that survived the Cold War.

The classic lawn figurine now claims this wooded area as home.

A diorama lover's dream world.

This large artificial waterfall in Washington state was merely an incidental byproduct of a technological megaproject.

A museum dedicated to an elusive cryptid.

This beautiful landscape is the only Sichuan-style garden outside of China.

This unique library spans a mighty river.

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

Outside this souvenir shop is a statue of Bigfoot composed of volcanic ash, and plenty more to see inside.

The decorations were inspired by an unlikely missing treasure.

Over 75 historically themed murals grace the walls of a small Washington city.

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

A lush Seattle garden designed by the same landscape architects responsible for New York's Central Park.

A colorful statue honoring the local salmon in glass and bronze.