This advertisement for talcum powder was painted on the rock face and has since defied removal.

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

An eerie, decaying ghost town destined to fade into the forest.

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

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

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.

Visit a replica of the estate where Aaron Burr allegedly plotted a treasonous scheme against the United States.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

The fastest transatlantic ocean liner sat abandoned in a Philadelphia shipyard for decades.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

This former maximum-security prison is creepy, sobering, and supposedly haunted.

An abandoned town is hidden in Great Smoky Mountains National Park.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

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

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

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

A toxic ghost town sitting atop a massive coal fire.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

This huge, disused viaduct is now a crumbling concrete underworld of covered in years of graffiti.

The world’s first penitentiary, meant to be humane, drove men insane.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

A semi-scholarly approach to sex.