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

This Stonehenge-inspired solar calendar stands alongside a landfill, in the middle of the Nevada desert.

A whimsical, punny collection of "fence art" outside the tiny mountain town of Baker, Nevada.

The longest living non-clonal organisms on Earth.

This crumbling stump is all that remains of what was once thought to be the oldest living organism.

These huge stone ovens in the desert fueled the Nevada silver boom, and may have also been a hideout for outlaws.

Rich red almandine gemstones are waiting inside the volcanic rock strewn across this eastern Nevada hillside.

A Nevada mining boomtown that ran out of silver and luck.

The current Eureka County Courthouse replaced an all-wooden structure that had previously been an ice-skating rink.

Located in the remote Monitor Valley, this travertine bowl contains a scalding pool of water.

This central Nevada cave is the spiritual home of ancient and enigmatic pictographs.

A former electric substation that was converted into a magnificent mansion.

This cave was hidden for thousands of years, storing the worldly goods of ancient Native Americans.

Eulogizing an unknown man's unusual demise.

This magnificent, quirky home sits atop a literal gold mine in the middle of the Nevada desert.

In the middle of a remote desert town is a surprisingly opulent hotel.

An 1870s ranch for pioneers, rodeo stars, and divorcees was abandoned and left for dead, until the city reopened it for exploration.

A unique botanical garden housed in three giant geodesic domes.

Formerly secret, precariously perched boulders.

While it is not equipped to peer into outer space this observatory looks like it was built on the moon.

The longest continuous lava tube in Oregon.

The last water-powered mill in Oregon is open daily for free tours and has a surprising history.

According to legend, you must remain completely silent while passing this man-made mound or suffer the consequences.