Philadelphia

Before the arrival of Europeans in the early 17th century, the Lenape, an Indian tribe also known as the Delaware Indians, lived in the village of Shackamaxon in present-day Philadelphia and the surrounding area. The Lenape historically lived along the Delaware River watershed, western Long Island, and the Lower Hudson Valley. Most Lenape were pushed out of the region during the 18th century as the original Thirteen Colonies expanded, which was further exacerbated by losses from intertribal conflicts. Lenape communities were also weakened by newly introduced diseases, mainly smallpox, and conflicts with Europeans. The Iroquois occasionally fought the Lenape. Surviving Lenape moved west into the upper Ohio River basin. Following the American Revolutionary War and the subsequent establishment of the United States, the Lenape began moving further west. In the 1860s, the U.S. …

Philadelphia's geographic center is about 40° 0′ 34″ north latitude and 75° 8′ 0″ west longitude. The 40th parallel north passes through neighborhoods in Northeast Philadelphia, North Philadelphia, and West Philadelphia including Fairmount Park. The city encompasses 142.71 square miles (369.62 km2), of which 134.18 square miles (347.52 km2) is land and 8.53 square miles (22.09 km2), or 6%, is water. Natural bodies of water include the Delaware and Schuylkill rivers, lakes in Franklin Delano Roosevelt Park, and Cobbs, Wissahickon, and Pennypack creeks. The largest artificial body of water is East Park Reservoir in Fairmount Park. The lowest point is sea level and the highest point is in Chestnut Hill, about 446 feet (136 m) above sea level on Summit Street near the intersection of Germantown Avenue and Bethlehem Pike at: 40.07815 N, 75.20747 W. …

Philadelphia is home to many national historical sites that relate to the founding of the United States. Independence National Historical Park is the center of these historical landmarks and one of the country's 22 UNESCO World Heritage Sites. Independence Hall, where the Declaration of Independence was signed, and the Liberty Bell is housed, are among the city's most popular attractions. Other national historic sites include the homes of Edgar Allan Poe and Thaddeus Kosciuszko, and early government buildings, including the First and the Second Bank of the United States, Fort Mifflin, and the Gloria Dei (Old Swedes') Church. Philadelphia alone has 67 National Historic Landmarks, the third most of any city in the country. …