Yellow stone is the world’s first national park. It is in three different states at once, Wyoming, Montana, and Idaho which tells us how big this park is. Here you will find some amazing geysers and hot springs.The Grand Canyon is another famous national park in Arizona. Here you will find huge canyons. This great park was formed by the Colorado River. Scientists have said it took two billion years for this park to be made. Well, nature takes it time.The most amazing park is the Biscayne national park in Florida. Its something you would have never seen before. Its mostly made of ocean water. It is made of beautiful fish and reefs and other mesmerizing views underwater.