An abandoned mine serves as a stark memorial of when mercury was a valued strategic metal.

Two craters, which probably erupted within the last 1,500 years and are now filled by alkaline lakes, represent Nevada's youngest known volcanic activity.

In the little-known Pine Forest Range in northwestern Nevada, a natural lake of glacial origin.

An unusual waterfall in the Santa Rosa Range, within the Great Basin of Nevada.

This rest area is also home to a remarkable petroglyph site.

A remote, little-known natural arch in granite in the desert of northwestern Nevada.

How a bat poo mine became a major Native American archaeological site—and connections to legendary red-haired giants.

Named after an outlaw who used the basin as a hideout.

Under the right conditions, rocks will move across this dry lakebed, leaving trails behind them.

This small town was built around a marble quarry and named after one of the most famous sources of marble in the world.

A surviving concrete arrow from a 1920s navigational network is preserved right off a modern freeway.

The highest concentration of petroglyph sites in Gold Butte National Monument, plus an improbable early 20th-century dam.

An attractive alpine lake at 8,400 feet that is accessible via a paved road.

This Gold Rush ghost town was once the subject of a territorial dispute between California and Nevada.

On October 26, 1963, a 12-kiloton nuclear device was detonated here in granite some 1,211 feet below the ground surface.

Many believe these images represent interstellar lifeforms.

An unexpected sinkhole in a desert flat within Gold Butte National Monument.

Improbably, the largest wildlife refuge in the conterminous 48 states sits just northwest of Las Vegas, Nevada.

One of the few remaining indigenous petroglyph sites in Nevada.

A little-known occurrence of fossil wood in northern Washoe County, Nevada, near the Black Rock Desert.

An internationally-recognized dark sky sanctuary lies in northern Nevada, near the Oregon line.

Harder layers in colorful sandstone weather out as prominent “fins" and even more intricate and bizarre shapes.

Narrow slot canyons in a badland eroded into soft sedimentary rock provide an otherworldly landscape in this remote Nevada state park.

A concrete arrow from a 1920s network of airmail beacons is still preserved at the western edge of suburban Reno.