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

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

The Master of Magnetism dominates the walls of a scrap metal yard to keep graffiti artists at bay.

This beloved marketplace mascot poops money and grants good luck.

This plaque marks a place where one of Hollywood’s most famous dancers got his start.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

Lie in a hammock where George Washington stood.

A preserved 18th century homestead in Western Pennsylvania marks the spot where the Whiskey Rebellion began.

The Pennsylvania shopping center was once the setting for the 1978 film, "Dawn of the Dead."

An almost life-sized elephant named Ms. Ellie greets visitors at this jumbo-themed museum.

These pretty kitties killed and ate as many as 135 railway workers.

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

The heroic sled dog of the 1925 serum run is preserved in taxidermy.

A collection of witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

This historic Pittsburgh tennis complex is a rare example of natural red clay courts.

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

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

The world’s first penitentiary, meant to be humane, drove men insane.

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

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

Yo, Adrian!

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.