From perfectly preserved historic districts and groundbreaking architecture, to quirky theme parks and battleships, Pennsylvania is home to over 100 National Historic Landmarks. Tour the Keystone State and travel back in time to discover the unique stories of the state's history. Carefully curated by a local historian, Historic Pennsylvania: A Tour of the State's Top 100 National Historic Landmarks is the essential guide to the most memorable historic sites in the state. Whether you are a history enthusiast, a local visitor, or a tourist, there is something for everyone in this guide to Pennsylvania's past.