Like many World Heritage sites around the world , including Yellowstone National Park , Serengeti National Park , Stonehenge , Pompeii and Herculaneum and the Pyramids of Giza - a park use fee will help maintain world-best management practices and facilities for the more than 200,000 visitors who experience Kakadu each year . Like many World Heritage sites around the world , including Yellowstone National Park , Serengeti National Park , Stonehenge , Pompeii and Herculaneum and the Pyramids of Egypt - a park use fee will help maintain world-best management practices and facilities for the more than 200,000 visitors who experience Kakadu each year .