Philly

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

A layered tribute to the work of mosaicist Isaiah Zagar.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

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

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

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

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

A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.

This elaborate towering structure was once famed for its revolutionary height.

Mysterious rocks that ring musically when struck.

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

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

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

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

A rare view of a preserved Victorian science museum.

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

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.

Overshadowed by quilts, the artistry of these patterned textiles went underappreciated for too long.

A local prank turned town icon.