A tribute to the Nirvana frontman hides beneath the bridge that was the singer's beloved hangout spot.

The sole remaining outpost of a once-thriving South Carolina chain still sells “pic-a-nic” baskets.

The original Garfield station is the oldest station facility on the "L", with the station house dating from 1892.

These abandoned grain silos and tunnels are an urban exploration dream.

A serene but haunting memorial to protective wetland lost, the absence of which directly damaged the Lower 9th Ward following Hurricane Katrina.

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

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

This gold-winged spire celebrates the first true flight around the world.

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

The cardinal directions, set in stone.

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

People come from across the globe to swim in this lake believed to have healing properties.

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

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

An electrifying collection of gadgets and literature from the 16th through 20th centuries.

Orcas on display and in the water.

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.

Every summer West Seattle experiences a housing bloom.

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

A cave interior in the shape of the ancient rhinoceros, created by lava cooling around its carcass.

A fine, large-aperture telescope available for public use.

Site of the greatest known waterfall that ever existed.

Four abandoned towers hidden above the Douglas fir forest in Washington.