National Park Service | 944,559 followers on LinkedIn. The National Park Service preserves, protects, and shares our nation's special places and stories. | Most people know that the National Park Service cares for national parks, a network of over 420 natural, cultural and recreational sites across the nation. The treasures in this system – the first of its kind in the world – have been set aside by the American people to preserve, protect, and share the legacies of this land. People from all around the world visit national parks to experience America's story, marvel at the natural wonders, and have fun.