Pittsburgh is the second largest city in Pennsylvania. Only Philadelphia has more people. Pittsburgh lies in the rolling hills of southwestern Pennsylvania, where the Allegheny and Monongahela rivers meet and form the Ohio River. During the late 1800's, Pittsburgh became the world's leading producer of steel. Massive mills turned out steel for automobiles, ships, trains, and numerous other products. Pittsburgh earned the nickname the Steel City. Steel production gave Pittsburgh a booming… More »
Gettysburg, GEHT eez buhrg or GEHT ihz buhrg (pop. 7,490), is a community in southern... More >>
Harrisburg (pop. 48,950; met. area pop. 509,074) is the capital of Pennsylvania. The city lies... More >>
Philadelphia, fihl uh DEHL fee uh, is the birthplace of the United States. The Declaration of... More >>
Pittsburgh is the second largest city in Pennsylvania. Only Philadelphia has more people.... More >>
Valley Forge, Pennsylvania, is an area along the Schuylkill River, about 25 miles (40 kilometers)... More >>
Wilkes-Barre, WIHLKS bar ee or WIHLKS bar uh (pop. 47,523), is a manufacturing and service center... More >>