This giant temperature attraction created some giant electric bills.

The cluster of boulders near Fort Irwin is covered in military insignia.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

Abandoned hotel with adjacent lake and golf course.

The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.

Built by one man in the '20s, this site is now a museum representing the Great Basin cultures.

Etched into a dry lake bed, this massive directional indicator is accurate without magnets.

Everything you always wanted to know about borates is here.

These colossal desert barcodes have been fine-tuning spy satellites for decades.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

Largest man-made excavation on earth!

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

A legal loophole makes it possible to get away with murder within this 50-square-mile section of Yellowstone.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

An architect's childhood fantasy treehouse made real.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

Creek water that starts here has a 50/50 chance of ending up in the Atlantic or the Pacific.

A former gold rush boomtown has managed to stay in business for over 100 ramshackle years.

See just what life was like in a 19th-century prospecting town.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

This stoic, if derpy, giant stands as a monument to Oregon's statehood and the novelty culture of yesteryear.

Shoreline strewn with the remains of ghostly fallen trees.

A glimpse into the "Logging Capital of the World" at a time when there was far more forest and far less machinery.