A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

This abandoned cemetery has a dark past of bodies buried over bodies.

The largest cemetery in Louisville is the final resting place of Col. Sanders and Muhammad Ali.

The grave of the iconic Kentucky Fried Chicken mascot features a bust of the man behind the goatee.

A life-sized memorial to Harry L. Collins, the official corporate magician of Frito-Lay.

The largest historic preservation organization in the United States.

"Not too many people can say they've had a nuclear bomb dropped on them, not too many would want to." — Walter Gregg.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

The only free-standing, vertical sundial in the US was keeping standard time before it was even invented.

This natural spring not only claims to heal the wounded but it has also been willed to God.

Death comes to anyone who dares to touch this concrete column.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

Paths are maintained, but trees have taken over plots.

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

The world's longest known cave system.

Tour the oldest unrestored plantation house in America that is open to the public.

The remains of a chapel created for convenience.

One man's extraordinary topiary garden in a small South Carolina town.

You thought Santa Claus didn't exist, but it turns out you were wrong.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.