Pennsylvania is known as the Keystone State, with Harrisburg as its capital. It is home to over 450 bridges around Pittsburgh and famous residents like Andy Warhol, Will Smith, and Taylor Swift. The state has mountain ranges like the Appalachians and Alleghenies, and rivers such as the Ohio, Allegheny, and Monongahela. Pennsylvania's climate brings winter temperatures around 20 degrees and summer highs near 70 degrees.