The National Constitution Center is an American non-profit institution that is devoted to the study of the Constitution of the United States. Located at Independence Mall in Philadelphia, Pennsylvania, the center is an interactive museum which serves as a national town hall, hosting government leaders, journalists, scholars, and celebrities who engage in public discussions, including Constitution-related events and presidential debates. The groundbreaking ceremony was held on September 17, 2000, the 213th anniversary of the signing of the Constitution.