This might just be the TARDIS of bookstores.

The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.

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

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

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

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

A beautiful oddities shop crammed with strange and morbid curiosities.

This little museum in the town where zombies were born celebrates the living dead.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

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

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

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

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

An abandoned stretch of highway, deteriorating next to the operational one.

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

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

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."