The only Florida state park with publicly accessible caves.

Two men built this castle on the Florida coast as an artistic “landscape sculpture.”

An abandoned water sports stadium that has become a haven for graffiti and decay.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

Given just one more year to live, Conrad Schuck built his dream house in Bartow, Florida.

A tribute to Ponce de Leon's supposed quest for eternal youth.

A hidden beach at the end of a tunnel of mangrove trees.

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.

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

Stay in a room with a view... of the bottom of the ocean.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

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

The scuba diving training facility was named for the steam that rises from the cave's chimney.

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

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.

An underwater city for the dead.

The island of Lanai in Hawai'i is a paradise for cats and cat lovers.

This former luxury resort in Kaua'i is now an abandoned relic.

A Hawaiian stairway to heaven—that you can't climb.

An ode to one of the first concerts broadcast via satellite.

This World War II-era bunker is now packed with posters and props from movies and TV shows filmed nearby.

Football field-sized microalgae production tanks on the Hawaiian coast create a stunning view from space.

A priest with no formal artistic training used basic house paint to create gorgeous religious scenes inside this historic church.