Each of the 50 States, the District of Columbia, and the U.S. territories of American Samoa, Guam, the Northern Mariana Islands, Puerto Rico, and the Virgin Islands has a unique program for managing its underwater cultural heritage. What is its maritime heritage? What sites are underwater? Who takes care of underwater sites? What permits are needed to study sites? Are there underwater parks? What underwater archeology laws are there? Learn the answers to these questions and find links to related web sites for each program. Start here or choose your state below.