A terrace reminiscent of Rome's Spanish Steps is tucked away in a little park in Washington, D.C.

This mural pays tribute to Atlanta natives and hip hop legends Andre 3000 and Big Boi, better known as OutKast.

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

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

Scattered around Atlanta are little doors with big charm.

An underground magnet for ever-changing street art.

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

Suspended above the ground in a thicket of towering Georgia trees is a modern architectural wonder.

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

The largest freshwater lake in the Florida Keys.

This ever-changing arrangement of naked dolls even caught the attention of "The Walking Dead" crew.

FDR hoped to find a cure for polio in this Georgia town's warm springs.

Booker T. Washington's home at the Tuskegee Institute was a gem of splendor.

Colloquially known as "the lynching memorial," this is the United States' first memorial to the victims of racial terror at home.

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

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

The highest point in Florida is still the lowest high point in the country.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

Outdoor exhibits explore the contributions of European, African, and indigenous peoples to American frontier culture.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

An overgrown collection of miniature buildings still stand as evidence of one couple's obsession with The King.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

A museum to a cave explorer whose tragic death was a media sensation, and whose corpse became a tourist attraction.