Philadelphia holds the founding story of the United States in its streets and squares. Independence Hall is where the Declaration of Independence and the Constitution were debated and adopted, the Liberty Bell stands nearby as a symbol of freedom, and Elfreth's Alley preserves one of the oldest continuously lived residential streets in the country. The Philadelphia Museum of Art sits at the end of the Benjamin Franklin Parkway with wide steps and a broad collection, Fairmount Park offers trails and historic houses along the Schuylkill River, and the Barnes Foundation shows a distinctive collection of modern art.