This 47-foot chile pepper sculpture welcomes Scoville heat unit obsessed tourists to the Big Chile Inn.

This site honors the end of a 100-year boundary dispute between the United States and Mexico—all started by a river's shifting course.

A prison-like structure guards the remains of a notorious Old West outlaw.

The house's confection-like decorations are the result of one man's painstaking work over decades.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A pair of giant legs paying homage to a poem, a king, and it would seem, socks.

This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

These half-buried combine harvesters just off Route 66 are an homage to the Cadillac Ranch.

The Grand Canyon of Texas.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

This refurbished gas station is one of the oldest in Texas, located on the original Route 66.

Once in disrepair, this popular Texas stop along iconic Route 66 has been restored to its past glory.

This highway overpass was named after the tragic disappearance of a young mother who got mixed up with the wrong people.

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.

A quirky mishmash of Route 66 memorabilia and other throwbacks from the past.

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

This massive Art Deco-inspired mural was the world's largest augmented reality artwork at the time of its completion.

A Route 66 filling station that was designed to resemble the Hagia Sophia, and is now the symbol of an arts district.

One of the best examples of Art Deco architecture in the United States.

This 1930s-era Route 66 Tulsa landmark was moved, restored, and filled with neon.

Standing at 21-feet tall, this space cowboy adds to the legacy of Route 66's muffler men.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

This historic folk art garden contains a nightmare tower that claims to be the world's largest concrete totem pole.