All that's left of the quintessential "cabin in the woods."

Mile-long cave system near Great Smoky Mountains.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

A historic dam made famous for its turbines and feature in a Hollywood classic.

This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.

Abandoned for 60 years, this submerged bridge was completely forgotten until the lake was drained.

Enormous lake at the bottom of a unique cave system.

The world's largest version of this iconic puzzle cube is located in Knoxville, Tennessee.

While knives are the main feature in this store, visitors will also find dinosaur bones and meteorites.

An ode to "The Queen of Appalachia."

These early tent-shaped grave coverings are unique to Appalachia.

Visit this playground of waterfalls, caves and sinkholes.

Bronze statue marks the spinach capital of the world.

Where hills of dirt conceal the burial ground of one of the most powerful ancient Native American societies.

One of the largest Masonic temples in the world, created at the height of the oil boom in ostentatious style.

Located along historic Route 66, this former gas station has been restored and converted into a museum filled with vintage motorcycles.

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.

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

A museum honoring Oklahoma military service, where you can look into Hitler's mirror and see a Mickey Mouse gas mask.

Only museum dedicated to women pilots, with personal artifacts from Amelia Earhart and other aviatrixes.

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

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

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