Yellowstone National Park spans an area of 3,468.4 square miles and was Americas first national park
There are 300 geysers in Yellowstone and a total of at least 10,000 geothermal features altogether. Half the geothermal features and two-thirds of the world's geysers are concentrated in Yellowstone, even driving around you are initially fighting the temptation to stop at every bend in the road to take in the view.
> Read more or > Go to the image gallery

Some Infra red videos from Yellowstone