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

These ruins are all that remain of what a Spanish barrack that likely housed a quarry overseer, masons, and stone cutters involved in the construction of the Castillo de San Marco.

The United States' only educational center specializing in disease vectors and mosquitoes.

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

The smallest walk-in museum in the United States, this miniature museum preserves and displays a range of historic manuscripts.

This ceremonial mound is one of the first officially recognized Native American historical sites in North Carolina.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.