Alabama is nicknamed the Yellowhammer State, after the state bird. Alabama is also known as the "Heart of Dixie" and the Cotton State. The state tree is the longleaf pine, and the state flower is the camellia. Alabama's capital is Montgomery. The largest city by population is Birmingham, which has long been the most industrialized city; the largest city by land area is Huntsville. The oldest city is Mobile, founded by French colonists in 1702 as the capital of French Louisiana.
Pennsylvania is the 33rd-largest, the 6th-most populous, and the 9th-most densely populated of the 50 United States. The state's five most populous cities are Philadelphia (1,560,297), Pittsburgh (305,801), Allentown (118,577), Erie (100,671), and Reading (89,893). The state capital, and its ninth-largest city, is Harrisburg. Pennsylvania has 140 miles (225 km) of shoreline along Lake Erie and the Delaware Estuary.