Zion National Park is home to 289 species of birds, 32 reptiles, and 75 mammals in its four unique life zones. These 10 most visited national parks are spread across the country and visitors should come in droves to see the best of both nature and wilderness. The importance of national parks National parks protect impressive landscapes, exceptional flora and fauna and large tropical forests. These picturesque national parks attract millions of visitors and tourists each year. The main objective of the national park is to protect biodiversity by acting as a refuge for endangered species where they can survive and thrive. These breathtaking national parks serve as a natural history book dating back a thousand years. Finally, these most popular national parks are important sanctuaries where people can enjoy the gifts of nature, relax and rejuvenate, get fit and also serve as a source of energy. artistic, creative and spiritual inspiration. Being one with nature reduces stress, frustration, anger and aggression, and also creates social connections, a place for learning and mental stimulation. There are many things to do in a national park, such as taking photos and getting some fresh air. These parks also help us to know the life of the people in the region.