This razorback ridgeline has doubled as a scenic drive since the early 1900s.

This spectacular track has run continuously since 1882.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

The highest bridge in America was built for an almost unnervingly small amount of money.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Incredible sculptures inspired by obscure passages from the Bible.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

A popular rock that acted as a waymarker for American pioneers.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The first declared National Monument in the United States.

A one-of-a-kind sundial at the Very Large Array honors a radio astronomy pioneer, incorporating the original piers from his breakthrough radio telescope.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

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

A museum dedicated to the alleged Roswell Incident.

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

Don't blink or you'll miss it.

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.