"We Seceded Where Others Failed."

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

A state park that once served as an important river crossing, and now offers protected lands for endangered plants and animals.

This scenic Maryland park was the site of one of the worst prison camps of the Civil War.

The rock on which Moll Dyer was found frozen to death is said to still bear her handprint.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

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

Largest Roman Catholic church in North America.

Remnants of a storybook amusement park hidden behind a strip mall.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

A blank headstone topped with a pile of pennies marks the final resting place of the infamous assassin.

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

An eerie, abandoned military base engulfed by nature and graffiti is now home to a local park.

An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.

Just outside the Naval Academy, Hell Point is a historical marker that could easily be the point where failed students wait for the bus.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

This former asylum for Black Americans is haunted by its history of violence and racism.

Named for a Greek oracle that interpreted the words of Zeus, this beautifully-restored manor home was once home to the architect of the Marshall Plan.

The only U.S. Senator to die on the field of battle is buried in San Francisco but memorialized at Balls Bluff Regional Park.