A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

A sprawling maze of used books piled from floor to ceiling.

This ancient sinkhole-turned-healing-pool is a treasure trove of archeological discoveries and may even be the Fountain of Youth.

A nearly century-old amusement park is quietly decaying in a riverside forest in South Carolina.

The highest point in South Carolina was once owned by an energy company that neglected it but now the state is taking it back.

Bad farming practices caused this unnatural natural wonder.

A bizarre roadside attraction and the first instance of miniature golf in the world.

This granite rock face is named for the magnificent reflection that occurs when the sun hits it just right.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

The flower-shaped temple in Virginia aims to transcend the boundaries of the world’s religions.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

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

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.