This replica small town lets visitors take a stroll through the story of progress in the U.S. via thousands of Americana artifacts.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

When ecosystems collide in the arid Southwest.

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

Come for the speed, leave in love with the desert.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

The largest wooden building in the world now houses a fascinating collection of aircraft.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

A historic coal mine that doubles as a museum and tourist attraction.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

One of the only memorials dedicated to journalists who died in combat.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

The land is home to swimming ponies and a legendary 18th-century treasure.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

A mysterious castle built as a monument to lost love.

The famous boat that once ferried Bogart and Hepburn still floats in Key Largo after being abandoned for years.

This spiny beast guards an artist's village while vying for the title of largest lobster in the world.

Bat house that has only ever housed bat for one night; they all flew away and never came back.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world’s largest coastal brick fortresses.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A monument celebrating the idea of reaching inaccessible places.