This eccentric mansion museum holds a impressive collection of rare and automatic instruments.

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

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

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

Pennsylvanian mass grave and possibly mass murder.

These disused steel furnaces are now haunting ruins that may one day be a national park.

There aren't too many operational funiculars around, but Pittsburgh has two!

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

A historic covered bridge is but one example of an oddly prevalent American urban legend.

A macabre farm reserved part of its 222-acres for dead bodies, all in the name of science.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

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 might just be the TARDIS of bookstores.

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

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

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

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

A beautiful oddities shop crammed with strange and morbid curiosities.

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

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

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