A monument to a one-legged kidnapper, horse thief, and charlatan asks visitors to throw rocks in a pile.

An eerie natural formation that looks right back at you.

A UFO scrapyard in the California desert.

This vast and otherworldly landscape is one of the largest dune complexes in North America.

An unusual slot canyon in the Aztec/Navajo Sandstone has a cross-section like an inverted old-fashioned keyhole.

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

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

This impressive Boston holy house is the American mecca for Christian scientists.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

An enormous, inside-out glass globe built in 1935.

Nearly 300,000 acres of wildlife, natural splendor, and a hidden ghost town have been designated a national monument.

This spectacular track has run continuously since 1882.

The unusual patterns in this rock formation result from two distinct modes of weathering.

A tunnel with windows, so you don't miss out on the impressive views.

One of California's oldest continually used high schools has an interesting history, both on and off screen.

The set location for a 1987 cult classic draws international film buffs to the middle of the Mojave Desert.

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

A former utopian healing center created by a huckster and built by derelicts.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

This desert oddity hides in plain sight thanks to a cartographic error and a desert explorer with a punny sense of humor.

The world’s largest concentrated solar plant generates as many problems as megawatts.

One of the largest helium balloons in the U.S. is a 112-foot ginormous orange.

One of the ghostly stops along Route 66.