This small island was the first National Wildlife Refuge ever created in the United States.

This small beachside park commemorates the possibilities of discovery.

In a time before lifeguards, this house was a sanctuary for the shipwrecked.

This mass grave for victims of a massive hurricane remained hidden until 1991.

This historic site situated in the Northwood shores neighborhood houses the remains of a forgotten town.

A tribute to a hometown hero and surfing legend.

Measuring approximately 200 feet long, Swampy is the world's largest alligator-shaped building.

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.

Strange beasts lurking in a garden are all that remain of a quirky, short-lived theme park.

What started as three small gnomes at the base of a tree has grown into a full-blown gnome home.

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.

A secret, rocky playground hidden amongst the plain white beaches of the Florida coast.

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

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

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

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

The site of Martin Luther King Jr.'s arrest as he attempted to have lunch.

Only through the lens of a microscope can visitors see the true treasures inside this museum.

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

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

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