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

A proto micro-nation sometimes populated by artists, surrounded on all sides by a Utah most barren.

This pop-culture shop also offers the chance to become part of their favorite tv show or movie.

A magnificent menagerie of oddities, including taxidermy cryptids.

The largest outdoor art gallery in the Northwest United States.

This UFO landing strip was created by a charitable Wyoming city that was worried about residents of Jupiter.

This town is home to the world’s largest arch constructed entirely of elk antlers.

Lima’s Museum of Anthropology is lined with thousands of elongated human craniums.

Three generations of intrepid collectors display their curious artifacts in a homemade museum right next to the caves they discovered.

Despite his legacy of work in Spain, Cuba, and Florida, the larger-than-life writer's grave is a simple affair tucked in an Idaho cemetery.

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

The ghostly remains of what was once the world's richest copper mine.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

This massive metal sculpture in the shape of a folded paper airplane overlooks a Utah mountain.

No one really knows how these old hobby horses got here, but the herd keeps growing.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

The hallucinogenic center of the ancient world.

A US military accident created the legends behind this Mexican version of the Bermuda Triangle.

One of only two sites in the United States containing the remains of Buddha.

Two World War II aircraft lie within the jungle around this abandoned runway.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

This subterranean studio is filled with fascinating kinetic art.

This museum inside Amsterdam's largest cemetery explores how people deal with death.