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

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.

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.

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

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

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.