The Independence National Historical Park encompasses several historic attractions that date from the era of the American Revolution, most of which are free to visit. The Independence Visitor Center provides a good introduction to the sights, the park and the entire region. Other highlights include the National Constitution Center and Independence Hall, where the Declaration of Independence was issued in 1776 and the Constitution announced in 1787. The Liberty Bell Center houses the cracked bell that was sounded after the first public reading of the Declaration.
