The largest retailer of seashells in the world.

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

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

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

A monument celebrating the idea of reaching inaccessible places.

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

Where manatees are the snowbird vacationers in these balmy Florida springs.

Located inside a former bread factory, this museum explores a century of transportation history through innovations that were extraordinary or failures—sometimes both.

The grave of America's 11th president is not in some grand monument but instead it's hidden away on the grounds of the Tennessee Capital.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

Walk the whole Mississippi River!

This replica of the Greek structure is in the heart of Nashville.

An abandoned theme park with a strange and tumultuous past.

The Midwestern United States' tribute to Michelangelo is a foam statue sprayed with gaudy gold paint.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

One of the few surviving "Wigwam"-themed motels.

Prehistoric animals decorate this popular outdoor park.

The world's longest known cave system.

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

The largest Walleye statue in the world calls this Minnesota town home.

The statue honors the booming birds Rothsay, Minnesota, is famous for.

Duluth mineral magnates built this charming art deco lodge to be their private clubhouse.