• Lijiang River National Park，China
Lijiang River is in Guilin. The limestone caves and green hills along the river are amazing. The hills are different in shape. One looks like an elephant drinking water with its long nose. People call the hill "Elephant Trunk Hill". The best way to enjoy Lijiang River is to take an 83-km-long boat trip from Guilin to Yangshuo.
• Grand Canyon （峡谷）National Park，US
The Grand Canyon is one of the Seven Natural Wonders of the World. It is best known for its size and depth. It is 446 kilometers long，up to 29 kilometers wide，and 1. 6 kilometers deep. Every year，about 5 million people visit the park.
• Lake District National Park，England
The Lake District is England's largest national park. In fact，it covers about 1% of all the land area in Britain. As its name suggests，the park has the deepest lake in England. It is 74 meters deep. The park is a great place for playing water sports. You can sail and windsurf.
• Serengeti National Park，Tanzania
Do you love animals?The Serengeti National Park might be fun for you to visit. You can see some big animals here，such as lions，elephants and buffaloes. If you visit the park，you should not miss the annual animal migration （迁徙）. The animals often move at the same time in a year and to the same place.
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