What is the most famous historical site in the United States?

The most famous historical site in the United States is Independence Hall, located in Philadelphia, Pennsylvania. It is here that the Declaration of Independence was signed in 1776, declaring the Thirteen Colonies’ independence from Britain. Independence Hall also served as the site of the Constitutional Convention in 1787, where the U.S. Constitution was drafted. It is now part of the Independence National Historical Park and attracts millions of visitors annually who come to learn about the founding of the United States and its democratic ideals.