This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

The storied steakhouse is the last in a long line of Lebanese-owned supper clubs in Tulsa.

This unusually circular centenarian barn became a Route 66 icon.

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

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

This golf ball–shaped former desert real estate office now houses a UFO museum.

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

A Saint Nicholas-themed ghost town in the Mojave desert.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

This giant pocket watch is the third iteration of a local landmark that has been standing just off the Santa Fe Plaza for over 100 years.

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.

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

This previously dilapidated alleyway has been transformed into one of Melbourne's finest hidden art locations.