A mammoth pair of Civil War artillery guns abandoned out in the forest.

This fort down the Potomac from Washington, D.C. was once the only defensive fort protecting the capital.

Taste the white whiskey that the United States' first president once distilled and enjoyed.

The U.S. Army's giant warehouse of war art includes Hitler’s watercolors and Norman Rockwell oil paintings.

The tomb was guarded by soldiers from both sides of the war, and some left their initials carved in the brick.

Remains of a historic fountain that was mysteriously lost in the demolition of a D.C. traffic circle.

The FBI's urban training course may have the highest fake crime rate in the world.

The stone marker that Mason and Dixon placed at the eastern end of the famous north-south border they surveyed.

A memorial dedicated to a highly decorated Marine and Korean War veteran, who also happened to be a horse.

The elevator hidden in a smokestack on Roosevelt's yacht now serves as a monument to the former president.

The taxidermy remains of the most popular pony in children's literature.

An overgrown garden stands as a grim marker of an unrealized dream.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

One of the best places to see feral Colonial Spanish Mustangs in the United States.

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

After hundreds of years of settlement, this once-bustling fishing village sunk into the Chesapeake Bay.

The eerie ruins of a remote abandoned hamlet said to be founded by the survivors of a shipwreck.

An isolated island home to one of the oldest English-speaking communities in the region and Maryland's state dessert.

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

The Virginia farm where John Wilkes Booth met his grisly end is now largely forgotten.

A vast collection of everyday items amassed by one man.

The home of pigs, snakes, chameleons, and the alleged largest bunny in the United States.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

The Virginia home of one of the signers of the Declaration of Independence is being preserved with a unique glass facade.