At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

A beautiful oddities shop crammed with strange and morbid curiosities.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Mysterious rocks that ring musically when struck.

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

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

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

A blank headstone topped with a pile of pennies marks the final resting place of the infamous assassin.

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

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

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

The trials and tribulations of marking Poe's grave.

Walk through the history of American pop culture.

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

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

Fascinating museum dedicated to the under-appreciated medical history of urology features some wince-inducing devices.

The 320-year-old tree that greeted General Lafayette and rerouted an interstate highway.

Eighteen miniature death-scene dioramas.

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