Along the historic Mother Road is an old gas station with a secret counterfeiting past.

This unusually circular centenarian barn became a Route 66 icon.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

This giant mimetic milk bottle has encouraged Route 66 travelers to choose dairy since 1948.

The largest cattle market on earth holds live auctions open to the public every week.

This giant temperature attraction created some giant electric bills.

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

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

Artist Jack Pierson made this surreal sculpture in honor of Wonder Valley, a countercultural community on edge of civilization.

The decaying adobe remains of an old homestead are just off the beaten path in Joshua Tree National Park.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

Oldest building in California still in use.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

This old mining town, deep in the California desert, has a year-round population of one.

This sun-scorched lakebed contains samples of half the natural elements known to humankind.

One of the most unusual geological features, recognizable from a dozen hit movies.

This unique graffiti art from the 1940s has become a staple of this local landscape in the remote California desert.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.