The Industrial Revolution comes alive in Johnstown, Cambria County, through the Johnstown Discovery Network - a linked system of attractions and historic districts. See the Johnstown Flood Museum, devoted to the story of the 1889 disaster that took the lives of over 2,000 people. Or visit the historic Wagner-Ritter House & Garden, which preserves the lifestyle of the town's early residents. Ride the Johnstown Inclined Plane, the world's steepest vehicular inclined plane. Don't miss the Heritage Discovery Center, which brings the area's rich histories together, telling stories of immigration, mining, milling and more; it also includes the Johnstown Children's Museum, which opened in 2009, allowing kids to learn about the area's geography, culture, and industry through play. The new "Mystery of Steel" multimedia presentation about Johnstown's turn-of-the-century heyday as an iron & steelmaking innovator, including spectacular footage shot in the mills just before their 1992 shutdown.