On July 4, 1776, members of the Continental Congress signed the Declaration of Independence in Philadelphia, making Pennsylvania the birthplace of the United States. Since then, Pennsylvania has continued to play an integral role in the nation's history. Readers will learn how the state has changed over time, how it is governed, and what it is like to live there today. They will also explore its breathtaking outdoor areas and vibrant cities. This revised third edition takes an updated look at the geography, history, government, people, culture, and attractions of Pennsylvania.