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

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

World War II-era Nazi compound nestled in the Santa Monica hills.

Abandoned bridge hidden deep in the San Gabriel Mountains.

One of the best collections of antique printing machinery in the world.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

A modern day curiosity cabinet.

A look into the Church of Scientology's deeply unfavorable view of psychiatry.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

Resting place of Hollywood's immortals is also site of summer film screenings.

The legendary building that needed ghostly approval before being built.

Historic funicular railway, believed to be the shortest railroad in the world.