'Old Faithful' geyser, Yellowstone National Park, Wyoming -

Yellowstone is also known for its geysers and mudpools, 'Old Faithful' geyser being the most popular. It errupts approximately every 78 minutes and we managed to see it. The water shoots up to 180 feet high spurting out 11,000 gallons. Crowds gather to watch it seated on hundreds of benches.