A lush green oasis in the middle of Chicago.

A local pineapple cannery once dumped pineapple trimmings off of this pier, with sometimes smelly results.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

A stockpile of childhood lunch pails turned collectibles.

An underground magnet for ever-changing street art.

One of the oldest, tallest, and most haunted lighthouses in America.

Built around 1723, this is the oldest surviving home in the U.S.'s oldest colonial city.

This grand Spanish-Cuban restaurant has been serving customers for more than a century.

A unique collection of diving equipment spanning antiquity to the present day.

In a city crazy for seashells this museum educates and amazes visitors using the wonder of cast-off exoskeletons.

Wading through a small lagoon reveals a secret, wild stretch of pristine beach.

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

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

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

A building so large that it has its own weather.

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

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

The snowbirds here are circus sideshow performers.

It's a pretty creepy lock-up.

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

The history of the traveling carnival is remembered by this sprawling collection of vintage wagons, games, and rides.

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.