National parks are large areas of public land. They give a safe home for local plants and animals. They help keep the air and water clean. Today, there are nearly 7, 000 national parks around the world. Forbes has listed 12of the most beautiful ones in the world that will surprise you with their amazing landscapes, geographic wonders and colorful plants and animals.
The Grand Canyon(大峡谷) National Park of the US is one of the Seven Natural Wonders of the World. It is best known for its size and depth. It's 446 kilometers long, up to 29 kilometers wide and 1. 6 kilometers deep. The immensity of the canyon makes people think big. Taking a tour in the South Rim offers visitors the park's full views, while the North Rim shows beautiful wild flowers.
If you love animals, you'll like the Serengeti National Park in Tanzania. The"Big Five"live here. They are the lion, African elephant, African leopard, black rhinoceros and African buffalo. The name "Big Five"came from the five animals that were the hardest to catch. Now they are what people most want to see in the wild. If you visit the park, you should never miss the migration of over 1.5 million wildebeests(角马) and over 200, 000 zebras every year. This is the most famous site of the park.
