Mapping the National Parks - - Collection documenting the history, cultural aspects and geological formations of areas that eventually became National Parks.
National Park Directory - - Listing of locations, seasons open, area in acres, major attractions and activities.
National Park Foundation - - Purchase the National Parks Pass, plan a trip, read community opinions or learn about volunteer opportunities.
National Park Reservations - - Offers reservations and information about parks throughout the U.S. and Canada, including lodging and activities.
National Park Trust - - Land conservancy dedicated exclusively to America's Parklands, wildlife, scenic wonders and historic monuments.
National Parks Conservation Association - - Resource offers park and wildlife safety, virtual visits, exploration with guides, how to take action and nation involvement.
Public Lands Information Center - - Not-for-profit portal affiliated with USDA Forest Service and Bureau of Land Management. Resource for maps, guides, passes, permits, pictures and recreation information for state and federal lands.
Recreation.gov - - Government site provides information about federal recreation areas. Search by state, activity, agency, or by map.
The Regional Review - - Full-text archive of magazine published by the eastern National Parks region between 1938 and 1941. Topics include regional history and culture, the parks, state parks, the CCC, and current news.
Untraveled Road: National Parks - - Interactively follow roads and trails of many National Parks. View historic markers and scenic views with brief descriptions.
US-Parks.com - - Guide featuring park descriptions and fees, a lodging directory, road trip and activities planning information, photos and maps.