This secluded walking trail is a hidden gem of a Pittsburgh park.

The home and studio of a visionary woodworker now stands as a museum and example of his artistic genius.

Its vintage camera collection gives a snapshot of the past as viewed through a photographic lens.

Pennsylvanian mass grave and possibly mass murder.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

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

America's first serial killer rests in anonymity.

The Home and murder site of the witch of Rehmeyers Hollow.

This Old Testament garden features 100 plants from biblical times.

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

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.

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

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

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.