"Where the ducks walk on fish."

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

A quirky collection of outsider art made from automobile parts.

Contrary to popular belief, this secluded statue doesn't represent Pennsylvania's founder.

This giant disembodied horse head seems to balance impossibly on its nose.

The graffitied ruins stand hidden within the Pennsylvania woods.

A museum of anything and everything Stooge.

Where the oil industry began.

Intricate storybook scenes are tucked inside these shadow boxes, which are tucked inside a library in the Pocono Mountains.

A small museum along the Susquehanna River is home to a rich collection of Native American artifacts.

Pittsburgh's literal underground railroad.

Where the "World Pinball Champion” is crowned.

The Cold War-era "underground Pentagon" is a sprawling subterranean hideaway for the Defense Department.

The final resting place of two members of the infamous Doan gang, notorious outlaws and Revolutionary War Loyalists.

This picturesque stream was up until recently the site of a ten story mountain of slag and sewage.

A retrofuturistic art installation in the Pittsburgh Airport.

This public park was the site of the largest civilian disaster of the Civil War.

The famous bell was secreted away and hidden in a church in Allentown during the British occupation of Philadelphia.

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

An ideal wedding spot that is almost too ideal.

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

Hundreds of protractors affixed to surfaces all over the city.

An otherwise quiet campground becomes a bustling medieval town for two weeks every year.