This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.

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

Once featuring over 60 miniature replicas of famous Chinese locations, the Splendid China theme park was completely abandoned and is now mostly rubble.

This railroad and oil tycoon's lavish estate now stands as a time capsule of the Gilded Age.

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

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

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

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

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

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

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

A building so large that it has its own weather.

It's a pretty creepy lock-up.

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

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

Years of archaeology, just chillin' by the water cooler.

These pretty kitties killed and ate as many as 135 railway workers.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This historic hotel invented the chocolate brownie.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.