This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

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

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

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

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

This tiny cottage surrounded by railroads is the oldest surviving structure in Fairmount Park.

This sculpture of a fisherman spent six years at the bottom of the Schuylkill River.

This 15-foot tall obelisk commemorating the Philadelphia-Baltimore railroad connection sat neglected for over a century.

A failed piece of Orientalism has become the proud symbol of a community.

Journey through a collection of over 35,000 Halloween items from all generations.

This shrine dedicated to the Virgin Mary is also a tribute from a mother to her fallen son.

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

The souvenir got the company’s founder out of a pretty pickle at the World’s Fair.

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

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

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

A beautiful oddities shop crammed with strange and morbid curiosities.

These old doors are covered in the signatures of Rehoboth Beach artists dating back to the 1930s.