Pennsylvania's biggest lake is Wallenwaupack. The biggest river is the Genessee River. It is 243 miles long.
Weather
Pennsylvania summers can get really hot and long. There's a big difference in summer and winter there. In the summertime it is the warmest spot in the USA.
Landforms
The highest point is Mt. Davis at a point of 3,213 Feet. The Appalachian Mountains slice through the center of the state with the Allegheny and Pocono Mountains.
Forest
There are 20 state forests in Pennsylvania. These forests are managed by the Pennsylvania Bureau of Forestry. Some parts of the state are gaining forest while others are losing it.
Museums
The State Museum of Pennsylvania has over 5 million artifacts. All the items there maintain rich history. This museum was built in 1905. Pennsylvania also has the Penn Museum, which is the largest university museum in the United States.