Historic Pennsylvania: A Tour of the State¿s Top 100 National Historic Landmarks is a carefully curated travel guide, written by a local historian, featuring the most intriguing and significant of the state's nationally recognized historic landmarks. This guide provides interesting anecdotes and color photography of famous homes and churches, man-made wonders set amid the splendor of nature, and the crumbling remains of the region's industrial, coal mining past. Tour the Keystone State and travel back in time with Historic Pennsylvania.