California's first suspension bridge.

Once the largest town in eastern Yuba County now sits abandoned.

Since World War II people have been decorating this stretch of the Yuma desert with signatures arranged out of rocks.

This charmingly homemade amusement park has been growing for 40 years.

Although now a decaying ruin, this stone cabin's history includes several notable figures.

Experience the "opulence, grace, and grandeur of Eureka's most famous Victorian Inn."

A crumbling wizard is one of the final reminders of a roadside Middle Earth.

A grove of "candelabra redwoods" deep in California's Lost Coast.

An abandoned theme park with a strange and tumultuous past.

A devilishly named gorge that was a sign of salvation for many pioneers.

Where America's first doomsday cult awaited the end of the world.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

All that's left of the quintessential "cabin in the woods."

Dig for your own trilobites in this goldmine of invertebrates.

A shady solar power system that couldn't hold up to the harsh desert conditions.

The most beautiful Taco Bell in the world even has surfboard parking.

The largest cave in Northern Europe.

Norway has built what may be the world's most beautiful public toilet.

An Italian restaurant became a rock-and-roll hangout and the lair of the "Hollywood vampires."

The airport was once a Civil War battleground, and the earthwork defenses can still be seen today.

A former Confederate hospital serves as a remembrance of wounded and dead soldiers.

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

Eulogizing an unknown man's unusual demise.

A Barbary Coast watering hole built into a Gold Rush shipwreck.