For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

Over 200 people were buried here with only a small stone to mark their final resting place.

This vast kitty-themed collection illustrates the history of human-cat interaction.

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

Mile-long cave system near Great Smoky Mountains.

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

Some North Carolina Cherokee have been keeping their history alive for decades with a single play.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

Step back in time on this preserved 1800s farm.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

Over 20,000 sets of spice shakers reveal the surprisingly telling history of our most basic spices.

Take an otherworldly journey in a school dedicated to out-of-body experiences.

A sculptor's dream castle turned fantastical ruin.

Located at the former Lorton Prison the Lucy Burns Museum tells the story of the 91 year history of the prison including the dark chapter of its involvement in the women's suffrage movement.

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

Home of the physician who set the leg of John Wilkes Booth after the Lincoln assassination.

A "hospital" where people went to be quarantined, die, and be buried in the yard.

This Virginia town has been famous for its fried chicken since the 19th century.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

The resting place of a Civil War celebrity's amputated limb.

A giant cat slowly prowls the parking lot of Zebulon's car dealerships.

A sign marks the plane crash that caused two nuclear bombs to fall in North Carolina.