As explained by the US Geological Survey (USGS), the color change was the result ... parts chucked into the bottom of the pool,” Jeff Henry, a former Yellowstone ranger who was involved in ...

Yellowstone National Park’s famous geothermal pool named Morning Glory has reportedly changed color due to the volume of debris thrown in by visitors. According to park historians and former ...

There are many ways to enjoy the wonders of Yellowstone National Park – including viewing the magnificent geysers. Did you know that there was once a swimming pool at the park fed by one of the ...