What''s so great about Pennsylvania? Find out the top ten sites to see or things to do in the Keystone State! Explore Pennsylvania''s big cities, mountains, rivers, and rich history. The Pennsylvania by Map feature shows where you''ll find all the places covered in the book. A special section provides quick state facts such as the state motto, capital, population, animals, foods, and more. Take a fun-filled tour of all there is to discover in Pennsylvania.