This stone, said to have once been a young woman, is sacred to the Dakota and Lakota nations.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

Hidden behind Lincoln's head is a chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

The humble beginnings of the man known for his lavish "champagne" music.

An ode to South Dakota's state fish.

This shallow pit was once used to send over 20,000 buffalo plummeting to their death.

An antique Beechcraft airplane serves as a giant windsock for people driving through the blustery open country of eastern Wyoming.

The first declared National Monument in the United States.

A devilishly named gorge that was a sign of salvation for many pioneers.

This set of three large, volcanic hot springs is a favorite haunt for intrepid divers.

Two geoglyphs that are truly unique to North America.

An abandoned 1920s-era stretch of cabins now overshadowed by the 66 Motel.

This memorial pyramid marker honors one of the United States Government's first official camel riders.

A scrap-metal sculpture recalls an infamous 19th-century camel.

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

More than 25 fully functional scale replicas of famous lighthouses dot the shores of Lake Havasu.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

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

Don't blink or you'll miss it.

A tribute to the statues of Easter Island along Route 66.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

In 1975, a forestry worker in Arizona claimed to have been abducted by a UFO.