Large tower used for simulating radiation of Hiroshima bomb and the tallest object ever relocated.

A tree bears footwear on the loneliest road in America.

An ode to one of the dirtiest jobs during the construction of the Boulder Dam.

This former New Jersey bus now exists as a public art exhibit.

Despite the name, it's unclear if this small depression in northern Nye County was actually caused by falling space debris.

These markers are used to document elevation changes around the famed dam.

A facility built in 1992 for an underground nuclear test remains in place today.

Many believe these images represent interstellar lifeforms.

The strongest earthquake in Nevada's recorded history left these spectacular breaks along the west front of a range in central Nevada.

Ruins of the original wooden flume that carried water to Virginia City are still visible high on the Virginia Range.

The precious-metals strikes dating back to the 1860s are now mostly inactive, but this area has become the United States' only domestic source of lithium.

Equipment used to mine silver and lead has been preserved in this almost-ghost town in northern Nye County.

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

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

This former mining railroad is one of the best-preserved short lines in North America.

In 1954, two enormous earthquakes occurred just minutes apart, resulting in prominent scarps that extend for miles along the range fronts.

The ruins of a military outpost from the 1860s form the centerpiece of a Nevada state park.

The so-called "Father of Las Vegas" had the city's first telephone installed in his office in 1907.

The self-proclaimed gateway to the Extraterrestrial Highway.

One of the few remaining indigenous petroglyph sites in Nevada.

As fallout from an irrigation project, a formerly cottonwood-lined stream is now a sandy, desolate, post-apocalyptic channel lined with weathered stumps and tumbleweeds.

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

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

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