A man-made island in scenic San Francisco Bay.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A replica of the first public theater built in California.

Art Deco stylings conceal the true nature of this bridge.

Where the first "expert riders, willing to risk death daily" for the Pony Express were recruited.

I Street Bridge is the heaviest swinging center bridge in the United States.

This 19th century train workshop is a treasure trove of railroad history.

The mayor made the declaration in 2004.

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

In the midst of a residential town in Washington exists a property saturated with one man's artistic creations.

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

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

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

A rare tour of a commercial jet assembly plant, held inside one of the largest buildings in the world.

The world's largest egg has been cracked a number of times over the years but has been repeatedly replaced.

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.

Home of Jake the Alligator Man, the mummified remains of a cigar smoking, cross-dressing celebrity of the Northwestern coast.

The site of the Wellington avalanche, one of the America's worst railroad disasters.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

An obscure waterfall that looks like something out of a fantasy novel.

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

A wall of chewing gum moonlights as collective art.