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

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

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

This abandoned Victorian-style house was built in 1884.

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

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

Once the center of a thriving early Black community called Martinsburg.

The only one-room schoolhouse remaining in Talbot County, Maryland.

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

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

Surrounded by traditional homes, this Tolkien-esque dwelling stands out on a quiet street in suburban Maryland.

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

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

The likeness of the Baltimore music icon was unveiled in time for the anniversary of his Senate hearings on music censorship.

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

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.

Two dozen pinball games hidden away inside a most unlikely location.

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

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

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

The ruins of this long-abandoned unsuccessful gold mine can still be found.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

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