A Civil War Museum with some notable medical antiques.

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

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

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

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

An astounding collection of medical specimens, including bits of President Lincoln.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

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

A museum dedicated to exhibiting remarkable outsider art.

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

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

Eighteen miniature death-scene dioramas.

This 15th-century fortification was built to defend bunnies.

A rugged lava field dotted with molds of the ancient pines that were growing when the volcano erupted.

This former lieutenant governor's home is brimming with curiosities.

An exotic reptile facility showcasing some of the rarest, most venomous snakes in the world.

This picturesque abandoned home is rumored to be a spite house.

The two writers famously didn't come to blows over the Oxford comma.

This delicate museum is devoted to the art and industry that once supported Cape Cod's oldest town.

Founded by the famed children's book artist, this museum spreads an appreciation of the arts through picture books.

On top of Gibbet Hill lie the ruins of a lavish turn-of-the-century estate that never quite came to be.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

This tall Massachusetts folly got its name thanks to all of the purple prose its vistas inspired.