Princeton Battlefield State Park, just a mile southwest of Princeton University, maintains and interprets the scene of George Washington's 1777 victory. The famous Mercer Oak, not far from where General Hugh Mercer fell during the battle, still stands. So does the Thomas Clarke House, built in 1772, which witnessed the fierce fighting. The house contains period items and Revolutionary War exhibits. The Ionic Collonade and a stone patio and mark the grave of 21 British and 15 American soldiers killed in the battle. Several trails cross the battlefield.