Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

A lone gunner's station is all that remains of a replica Spanish Fort in Florida.

A circus legend leaves an unexpected endowment.

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

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

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

St. Augustine's record-setting narrow street was designed to protect against pirates.

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

Intertwined, interspecies trees which locals believe can grant boons to lovers.

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

An 18th-century Spanish watchtower made entirely of seashell and concrete.

This underground oasis is one of North America’s most fascinating prehistoric places—and you can scuba dive in it.

Step back into the glory days of Florida's nascent tourism industry at this Gilded Age palace.

The ruins of a once-thriving sugarcane plantation that was burned in the Second Seminole War.

An octet of classic chrome trailers speared into the ground act as a tribute to the silver bullets of the open road.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

Despite being made of a seashell mortar, the crumbling remains of this historic Florida mill are still standing.

A building so large that it has its own weather.

The unique collection includes bronze cast handprints of some of America's most famous astronauts.

A Florida college boasts the world's largest single-site collection of structures designed by Frank Lloyd Wright.

A haunted hill that supposedly defied gravity.

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

Former wax museum from the 1960s, home to many wax U.S. Presidents and the famous White House miniature.