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

This restaurant offers a side of antiques, curios, and a bathroom chock full of owls.

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

Dr Barnes' $25 billion private collection of art and arboretum.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

The abandoned coal loading dock is a canvas for unsanctioned art.

This Old Testament garden features 100 plants from biblical times.

The graffitied ruins stand hidden within the Pennsylvania woods.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

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

This might just be the TARDIS of bookstores.

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.

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

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

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

The oldest surviving botanic garden in the United States.

A park full of outsider art, created by college students studying outsider art.

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

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

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

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

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

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