Art Deco stylings conceal the true nature of this bridge.

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

The California capital city once stood 10 feet lower than it does today.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

A time-capsule monument reminding future generations of the importance of efficient and effective use of natural resources.

The first official clock in North America, it kept time for the Spanish government of Santo Domingo.

This trio of Dominican cave lakes comprise a colorful biosphere of natural life.

The final resting place of Christopher Columbus - or possibly someone else.

This unique library spans a mighty river.

The final resting place of one of the most sensational guitar players of all time was created only after his father got the rights to his music.

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

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

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

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

This sculpture forces visitors to confront their relationship with space.

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

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

A giant Troll lurks under one of Seattle's oldest bridges.

The only thing still moving in this town is the eponymous hot spring.

Graffiti, cars, and religion combine to create this jungle of scrap in the Nevada desert.

"Only the devil could play golf here."

This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.

Under the right conditions, rocks will move across this dry lakebed, leaving trails behind them.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.