Standing for over 200 years, the abandoned home of a Revolutionary War hero and later a succession of prison superintendents.

This 1830s store is believed to be the site of Harriet Tubman's first stand.

The United States' oldest Episcopal church still in active use.

Historic home of America's sweetheart sharpshooter, Annie Oakley.

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

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

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

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

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

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

A decaying garage hidden amid the dense forest is all that remains of a once-prosperous dairy farm.

This general store is more than a century old and home to various oddities and antiques.

Hundreds of protractors affixed to surfaces all over the city.

This historic Pittsburgh tennis complex is a rare example of natural red clay courts.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

A giant ball made from pieces of an old Jeep.

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

This restored log building was one of the first toll booths for travelers along the Northern Turnpike.

This icon of the Atomic Age now lays dormant.

The last street in Pittsburgh that's paved with wood.

These disused steel furnaces are now haunting ruins that may one day be a national park.

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

Within this beautiful Pittsburgh cemetery, a unique headstone bears witness to one man's eternal love for Jaws.

A private residence adorned with a gorgeous mural dedicated to the buzzing insect.