A layered tribute to the work of mosaicist Isaiah Zagar.

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

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

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

This might just be the TARDIS of bookstores.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

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

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

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.

The oldest surviving botanic garden in the United States.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

A train station that was abandoned by the coal industry and was later converted into a cocktail bar.

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

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

The oldest farmer's market in America is so ancient it was approved by the King of England.

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

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

A local prank turned town icon.

One of the oldest log cabins in America is one of the last of its kind this historic Swedish dwelling remains a piece of living history.

This huge, disused viaduct is now a crumbling concrete underworld of covered in years of graffiti.

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

The last street in Pittsburgh that's paved with wood.

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

A retrofuturistic art installation in the Pittsburgh Airport.