This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

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

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

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

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

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

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

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

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

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

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

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

There aren't too many operational funiculars around, but Pittsburgh has two!

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

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

The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

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

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

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

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

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

The legacy of baseball great Roberto Clemente is preserved in a retired Pittsburgh fire station.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

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