Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

An expansive and intricately restored mansion remains from over a century ago--and so do its ghosts.

The stone-covered graves lie within the ruins of an Old West ghost town.

Where the writer penned his famous story about a jumping frog.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

Michael Heizer's masterwork in the Nevada Basin.

The eerie ruins of an isolated abandoned town nicknamed "the Widowmaker" for its deadly gold mine.

A cozy bookstore is tucked within an old gold mine shaft beneath the cafe and ice cream shop.

Hidden beneath a lake for decades, this brutalist mine has now emerged from beneath the receding waters.

A UFO scrapyard in the California desert.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

It's not your typical library, memorial, or book store.

The world's largest wooden trestle stretches across this desert canyon in Anza-Borrego Desert State Park.

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

A Saint Nicholas-themed ghost town in the Mojave desert.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

An eatery for UFO seekers on the Extraterrestrial Highway.

The sea once considered an ecological wasteland is now called "crown jewel of avian biodiversity" by scientists.

An abandoned 1920s-era stretch of cabins now overshadowed by the 66 Motel.

Huge otherworldly domed rocks on the shore of a deadly lake.

This tiny cluster of abandoned buildings looks like the future of the ghost town - today!

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

This famous Nevada gold mine, once a hotbed of Wild West shenanigans, is now open for tours.