This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

This unincorporated community in western Ohio got its peculiar name from John "Daddy" Baker.

An overgrown collection of miniature buildings still stand as evidence of one couple's obsession with The King.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

A glimpse into the sacrifices of military members during World War II.

Built by the patriotic residents of Boonsboro in a single day.

Built in the 1850s, this church was of the first five churches constructed in Harper's Ferry.

This shale formation along the Appalachian Trail once inspired the third president of the United States.

An abandoned munitions factory with a shot tower continues to wage war on the surrounding environment.

A gregarious Ohio resident has been building his whimsical temple to peace for decades.

This burger joint is named after everyone's favorite carnival prize and is adorned with a giant one over the door.

The largest ancient burial mound in Ohio.

The headquarters of a pioneering cast iron and cast aluminum cookware company is in ruins, but still standing.

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

This historic mansion was built as a symbol of love between a husband and wife.

Now in disrepair, this 19th century station was a stop on of the famed B&O Railroad.

A cave on the Maryland border where civilians took refuge during the bloodiest battle of the Civil War.

A former mental hospital founded in the 1930s by a eugenicist who advocated for the forced sterilization of patients.

Developed by focused shutterbugs, this museum exposes visitors to more than 6,000 different cameras.

Outsider art meets paleontology at this roadside reptile repository.

The oldest arched-covered bridge in Virginia has truly withstood the test of time.

Home of a 28-foot tall stalagmite known as the War Club.

An abandoned coal mine reached by a steep hike.