Explore the History and Culture of Southeastern Louisiana (A National Register of Historic Places Travel Itinerary) - This resource from the National Park Service offers a wealth of information on historical places in Southeastern Louisiana, including descriptions of sites and links to other tourism information.
Louisiana (U.S. National Park Service) - This webpage contains information on Louisiana's National Parks, including descriptions and some usage statistics.
National Survey of Hunting, Fishing, and Wildlife-Associated Recreation - This survey, published every 5 years, collects statistical data on recreational activities involving wildlife, such as hunting, fishing, and bird watching. Data is available mostly at the national level. Some state level data can be found via the Census.
Recreation.gov - This searchable portal can locate sites for various recreational activities, such as camping, swimming, and paddling. Note that sites are presented in a radius from a searched location.