A haunted hill that supposedly defied gravity.

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

Mariners once used this prehistoric landfill as a navigational landmark.

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

One of the largest Native American shell middens stands 30 feet tall.

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

A different kind of swan princess.

After the attack on Pearl Harbor, rocks and fossils from every U.S. state were collected into a pyramid of national unity.

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

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

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.

Get up close to an F-4 Phantom flown in the Vietnam War at this Florida park.

A vast array of tropical plants collected by a vacationing couple.

Flip your own pancakes in this old sugar mill within a Florida state park.

This stretch of highway is said to be haunted by ghosts of settlers whose graves were paved over.

This whimsical outsider art wall holds tiny treasures donated by the local community.