The Morning Glory Pool — perched near the famous Old Faithful geyser — was for years a must-see attraction in the Upper Geyser Basin in Yellowstone National Park, according to Cowboy State Daily.

One of Yellowstone National Park's most iconic attractions has been permanently changed by tourists. The Morning Glory thermal pool, a once-pristine, brilliant blue thermal feature in the park's ...

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 ...

One of Yellowstone National Park's most iconic attractions has been permanently changed by tourists. The Morning Glory thermal pool, a once-pristine, brilliant blue thermal feature in the park's ...

No, this isn't some St. Patrick's Day joke. Researchers say that Yellowstone National Park's world-famous Morning Glory thermal pool is turning a yellowish-green by decades of tourists throwing ...

Green may be a celebratory St. Patrick's Day color, but the unwanted appearance of green and yellow colors in Yellowstone National Park's normally electric blue Morning Glory thermal pool are ...

With a little mathematics and some scientific wizardry, Joseph Shaw and two of his colleagues have put the glory back in Yellowstone National Park’s Morning Glory Pool. “What we did is ...

The magnificent Morning Glory Pool located near Old Faithful in Yellowstone Park attracts visitors from all over the world. Once displaying clear blue water the pool has been used as a wishing ...

Morning Glory Pool, located in the Upper Geyser Basin near Old Faithful in Yellowstone National Park, used to appear as the dazzling crystal-clear blue color that inspired its name.However, after ...

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 ...

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 ...