A mysterious castle built as a monument to lost love.

Where manatees are the snowbird vacationers in these balmy Florida springs.

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

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

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

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

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

A ghost town that held steady longer than most, but finally gave up the ghost.

The fifth-longest natural arch in the world, and the longest outside China.

An oddly specific collection of handmade dolls remembers the women of the White House.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

This prison-turned-museum is a remnant of the Old West's grizzly, violent past.

Within the former ghost town of Cisco is a carefully restored tiny town with one resident and its own art residency.

A century-old cabin off of Highway 30 touts an unusual construction material: dinosaur bones.

The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

A recreation of an Old West apothecary full of curios.

A fake mine that was made using real mining techniques which is also used as a community center.

When ecosystems collide in the arid Southwest.

The largest self-built castle in the U.S., six decades in the making.

A mental health hospital dating back more than 139 years, now features a museum.

Dance on a hand-hewn log floor padded with bouncy boxcar springs at a saloon built in 1883.