Home Our Union Members Members Directory US Department of The Interi... Share: IUCN MEMBER US Department of the Interior (National Park Service) Member website Member at a glance Member name: US Department of the Interior (National Park Service) Membership category: Government Agency with State Member Member since: Jan, 1966 Website: Member website Member profile and contacts (available to Members only): Member profile Operational region: North America Statutory region: North America and the Caribbean Statutory state: United States of America Learn more about IUCN Members Overview See all Members Become an IUCN Member