Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

An American flag was erected for every day that passed during the Iranian Hostage Crisis.

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

The only statue of its kind to commemorate Washington's beginnings as an officer of the British Colonial Militia.

"Where the ducks walk on fish."

A local prank turned town icon.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

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

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

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.

In which a local geological marvel becomes a quaint roadside attraction.

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.

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

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

A quirky collection of outsider art made from automobile parts.

Mysterious rocks that ring musically when struck.