Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A local landmark with generations of spraypainted messages, and more being added each day.

"We Seceded Where Others Failed."

The collection of 80+ pieces created between the years 1100 and 1500 is intended to be seen, heard, smelled, touched, and tasted.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

A Circus legend leaves an unexpected endowment.

A monument celebrating the idea of reaching inaccessible places.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

America's largest man-made forest was planted in an effort to bring back the past.

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

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

Once a bustling cotton factory, this early 20th-century building is now home to a thriving artspace.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

Colloquially known as "the lynching memorial," this is the United States' first memorial to the victims of racial terror at home.