Under a playground is a little-known sealed train tunnel that likely contains the bodies of workers trapped by cave-ins.

The graves in Florida's oldest Black cemeteries are marked with shells, stones, and mementos of the deceased.

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

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

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

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

Arrr! The most authentic collection of pirate artifacts in the world... matey.

It's a pretty creepy lock-up.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

A glimpse at Walt Disney's vision for a "community of tomorrow," in miniature.

The world's largest private aircraft collection.

A haunted hill that supposedly defied gravity.

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

Electrical pylon in the shape of Disney's beloved mouse.

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

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

A tiny, unassuming park in Tampa that belongs to the Republic of Cuba.

A colorful square marks the heart of the city's LGBTQ community.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

A bronze sculpture honors the 12 black students who attended the first integrated public high school in the segregated South.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.