The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

The first American department store, and home to the largest operating musical instrument in the world.

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.

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

In which a local geological marvel becomes a quaint roadside attraction.

In the early 1800s, surgery was also a show.

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

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

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

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

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

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

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

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

A toxic ghost town sitting atop a massive coal fire.

World's first "penitentiary," meant to be humane, drove men insane.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

This strange, big-tailed beast became a Pennsylvania town's unofficial mascot.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

An Irish Memorial commemorating those who perished due to potato blight.

A daily replay of the experiment that proved the rotation of the Earth.

An almost life-sized elephant named Ms. Ellie greets visitors at this jumbo-themed museum.