This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

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

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

See massive fossils that are over 200 million years old in northeastern Arizona.

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.

A clear blue swimming hole with hidden caves, still unexplored.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

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

A small car graveyard sits in the shadow of the famous Cadillac Ranch.

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

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

A half-size replica of the World Trade Center towers above Tulsa.

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

This former mining town was named the most toxic town in America.

This historic motel standing at the "crossroads of America" offers a radio in every room and was saved by local protesters.

Less a museum than a bizarre fantasy world created by artists and engineers.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

Nature's biggest mammal swims in landlocked Oklahoma.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

The highest point in Washington state is a volcano covered in glaciers.

The first park built over a freeway is a brutalist masterwork.

This former coal gasification plant found a curious second life as a popular public park.