The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

The site of the little-known Pennsylvania battle that sparked the Seven Years' War.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

Pennsylvania's own Roswell-style UFO mystery.