There is a reason Yellowstone was our nation’s first state park. It is amazing. President Ulysses S. Grant made Yellowstone a National Park on March 1st 1872. Now 144 years later it is one of the top five visited parks in the country. It employs over 750 people. The source of Old Faithful and the mud pots is a super volcano beneath the surface. In this video you can see all of the majestic beauty without the smell and crowds.