Bizarre Cavern.

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

A museum dedicated to exhibiting remarkable outsider art.

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

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

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

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

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

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

The trials and tribulations of marking Poe's grave.

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

It may appear to be a fancy junk yard, but each item has a story to tell and a lesson to impart.

Penn State's giant bug collection.

This icon of the Atomic Age now lays dormant.

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

A quirky collection of outsider art made from automobile parts.

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

Locals call this magical moss-covered walkway the "Emerald Path."

Contrary to what one might expect, ice forms inside this small cavern during the summer and melts during the winter.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

A train station that was abandoned by the coal industry and was later converted into a cocktail bar.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.