The first and only American institution dedicated to the enduring value of comedy in the United States.

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

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

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

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

This restaurant offers a side of antiques, curios, and a bathroom chock full of owls.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

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

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

A unique workspace where offices reside on pirate ships and inside gingerbread houses.

Pennsylvania's own Roswell-style UFO mystery.

This shrine to McDonalds' most iconic sandwich holds a 14-foot tall burger.

The ruined remains of a coal mining ghost town are hidden within the woods.