An old vending machine serves up unpredictable beverages from its seemingly magical insides.

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

See the imprints of ancient trees, burned and preserved by lava.

The crumbling remains of a gold mine that was operational in the 1930s.

An abandoned World War II bunker is part of a chain that runs throughout Washington.

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

This family-owned restaurant celebrates Native American cuisine.

This unique library spans a mighty river.

Granting the right of way to ships over surface traffic since 1917.

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

Tasked with beautifying a disused stretch of industrial land one artist filled a hole with grass.

The longest and widest floating bridge in the world.

This fog-enshrouded, antique corner store sells individual slices of wedding-fancy layer cakes from a window.

With its vaulted ceiling and gilded details, this University of Washington library would feel right at home inside an old palace.

Nuclear reactor created the plutonium used on Nagasaki.

At the most northwestern point of the contiguous United States lies a trail leading through an ancient forest to stunning cliff-side vistas and massive oceanside caves.

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

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

This Cold War siren is one off the last of its kind still standing with its immensely powerful original horn.

This unique Seattle structure was designed to be the greenest commercial building on the planet.

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

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

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

42nd story Pyramid shaped penthouse tops Seattle's oldest skyscraper.