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

A beautiful geyser under environmental threat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

Small Nevada town embraced its designation as the "Armpit of America" with an Old Spice-sponsored festival.

The self-made house sculpture of an outsider artist who named himself "Chief Rolling Thunder."

The world's first permanently occupied mountain-top observatory continues to report on the stars.

This giant shopping mall still holds signs of its automotive past.

The fossilized remains of ancient California redwoods.

California's own majestic geyser is powered by a subterranean volcano.

A ghost town that held steady longer than most, but finally gave up the ghost.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

Concrete strongholds stand guard over the Golden Gate.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

San Francisco's newly reopened hands-on science museum.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

The oldest U.S. Government building in California, and it's State Historic Landmark #1.

Fake rail crossings mark the site of an influential doctor's demise.

Haunting and beautiful trees, doomed to die.