A labor of love built by local hang-gliding enthusiasts, this ideal launch spot was outlawed by the authorities and has since been largely abandoned.

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

This once-palatial plantation may have been the site where a draft of the Declaration of Independence was written.

Daily lunch spot for many of Washington, D.C.'s cab drivers.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

A star fort along the C&O Canal in western Maryland that protected America in three wars.

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."

The highest point in Maryland is only accessible by hiking through another state.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

An abandoned stretch of highway, deteriorating next to the operational one.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

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

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

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

Helen Keller once broke ground on this historic center for the study of technologies to benefit the hearing impaired.

The resting place of a Civil War celebrity's amputated limb.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

An original apothecary from 1792.

America's first federal monument.

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

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

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.