Public works and national defense project meant to carve a canal all the way across the state of Florida.

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

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

A replica of one of the more than 15,000 civilian lookout towers that lined the U.S. coast during World War II.

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

The ruins of this antebellum sugar plantation are the end result of a Seminole attack during the Florida Wars of 1836.

Part of a highway network meant to connect Miami to Montreal, this 10-mile stretch of road made from red bricks is still around 100 years later.

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

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

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.

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

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

Ch-Ch-Check out the world's largest hand-painted 3D mural.

After serving in Vietnam, Korea, and even a stint in the Turkish navy, the unique ship is now open as a museum.

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

This replica of a 16th-century French settlement memorializes one of the earliest attempts at a European settlement in North America.

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

A historic presidential getaway on the continental United States' southernmost island.

The highway's southernmost spot is a beloved local attraction.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A monument celebrating the idea of reaching inaccessible places.

"We Seceded Where Others Failed."

When you can't get to the Pacific, just go to Florida.