A walk through the historic city center, under the streets of Seattle.

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

The historic bar where local ship captains, traders, and gold miners would come together to do business a century ago.

A colorful architectural gem in Seattle's uniquely modern Central Library.

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

A wall of chewing gum moonlights as collective art.

This sculpture forces visitors to confront their relationship with space.

A rotting tree in the middle of Seattle doubles as an elaborately-controlled art piece.

This historic hub for labor unions has survived the city's changing landscape.

A community gathering place that once housed half-ton tanks and the World's Fair.

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

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

The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.

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

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

This painted blacktop brings the classic arcade game to life.

A large AIDS Memorial Pathway art installation provides a moment for quiet contemplation in this public park.

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

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

The longest and widest floating bridge in the world.

Activists are fighting to preserve these unfinished highway ramps as a tribute to the citizen revolt that halted their construction decades ago.