Protected Planet by UNEP and IUCN

ProtectedPlanet.net is the online interface for the World Database on Protected Areas (WDPA), a joint project of IUCN and UNEP, and the most comprehensive global database on terrestrial and marine protected areas. ProtectedPlanet.net lets you discover the protected areas of the world through exploring the maps and intuitive searching, feeding you information from the WDPA, photos from Panoramio and text descriptions from Wikipedia.