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

The only public swimming pool in Baltimore open to Black Americans during segregation is now a permanent memorial art exhibit.

A model home in the Medical Examiner's Office in which grisly death scenes are staged to train forensic investigators.

An abandoned church gets a second life as a massive beer hall and event space.

A miniature city within a city, complete with traffic signs, signals, and streets to teach Baltimore's youth traffic safety laws.

The "Sultan of Swat" once attended a school at the site of this baseball field.

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

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

World's first "penitentiary," meant to be humane, drove men insane.

Where America's first doomsday cult awaited the end of the world.

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

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

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

Pennsylvanian mass grave and possibly mass murder.

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

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

Eighteen miniature death-scene dioramas.

The trials and tribulations of marking Poe's grave.

At this former Prohibition speakeasy, electric birds signaled the arrival of hooch.

In which a local geological marvel becomes a quaint roadside attraction.

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

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

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

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