This dramatic rail curve was once the target of a failed Nazi attack.

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

In an odd geographic anomaly this city borders two different states on opposite sides of town.

These disused steel furnaces are now haunting ruins that may one day be a national park.

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

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

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

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

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

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

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

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

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

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

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

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

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.