¹     Yellowstone National Park is not only the first national park in the United States, but it is also the largest. This great park covers over two million acres of land which is larger than the states of Delaware and Rhode Island combined. Wow! That's a big park!
 
²     There are a lot of things to do and see at Yellowstone. You may want to try fishing, hiking, rafting or canoeing, just to mention a few things. You may even want to become a Junior Ranger. This is a program for children from five to twelve years old that teaches them about the park's natural wonders. Whatever you decide to do, you can't leave the park without first seeing its most famous natural wonder, Old Faithful.
 
³     Old Faithful is a very famous geyser at Yellowstone. In fact, this park holds sixty percent of all the geysers in the whole world. In case you are not aware, a geyser is a natural hot spring that shoots steam and water into the air. Old Faithful is so-called because it shoots up steam and water every thirty minutes of every day. You could even set your watch by this natural wonder.

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