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

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

Dogs, cats, horses, monkeys, frogs, and fish are laid to rest at the second-oldest pet cemetery in the U.S.

This beautiful stone arch bridge wasn't even expected to stand for one day, but people have been crossing it for centuries.

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

This one-room cabin where the young colonel slept during the French and Indian War.

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

Ship skeletons haunt Baltimore's waterways.

The development and impact of electronic media showcased in a picturesque farmhouse in Maryland.

The antique hotel still has a jail in the basement, though the cockfighting ring is long gone.

Electronic inventions that resulted in products and systems we use every day are on display in this labor-of-love museum.

The shelves in the back of this thrift store are devoted to saving, not selling, retro tech.

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

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

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

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

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

This simple convenience store sits on the location where the Ouija board was named—and has a plaque to prove it.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

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

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

A Civil War Museum with some notable medical antiques.

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

A hidden alley in urban Baltimore is a haven for graffiti artists.