A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

These markers are used to determine the ground stability of the Strip.

A brothel nestled amongst ghost towns, with an abandoned plane wreck to greet you.

A land of debatable treasure.

The most magnificent bottle house in a town strangely full of them.

Odd outsider art installations surround a Gold Rush-era ghost town.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

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

An errant donkey ushered in a new era of mining in Nevada.

The arch that celebrated the completion of the Lincoln and Victory highways.

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 dry lake bed contains the oldest known petroglyphs in North America.

A unique solar-powered pottery studio and gallery in the desert.

"Only the devil could play golf here."

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.

With a crest near 10,000 feet, this treeless fault-block mountain in eastern Oregon provides stunning views and spectacular glacial landforms.

One of the largest trees of its kind in California.

A public fountain that spouts "health water" from a nearby spring.

This incongruous small ferry across the Willamette River north of Salem, Oregon has been operating continuously since the 1850s.

The steepest tramway in North America provides stunning views of the out-of-the-way Wallowa Mountains in northeastern Oregon.

A huge musical instrument played by the ocean.

Statues of Ramona Quimby, Henry Huggins, and Ribsy the dog in the park where their adventures "really happened."