Pumpkin-like gargoyles and grotesques peer down from the rooftop of this unassuming apartment building in Illinois.

A theater sits abandoned on Roosevelt Road, once majestic in splendor, now majestic in decay.

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

The longest-covered bridge in the state of Maryland.

Although built to generate electricity for Marylanders, this dam has become an all-you-can-eat buffet for American bald eagles.

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

This general store has stood in the same spot for well over a century.

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

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

The Forest Service's surprisingly sophisticated collection of wildfire prevention art features America's most beloved bear.

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

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

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

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

The final resting place of an iconic drag performer is decorated with pearls and hot-pink lipstick.

This abandoned sea fort has become an accidental bird sanctuary.

An eerie, abandoned military base engulfed by nature and graffiti is now home to a local park.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

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

This free, take-a-book shop seems like a trick but isn't.

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

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

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