In the 1970s, rangers realized the depth of the problem at the Morning Glory Pool and decided to clean it out. They partially ...

The once-strikingly blue pool has transitioned to yellow-green due to coins, trash, and rocks thrown by tourists over the ...

Once a brilliant blue, the famous pool's color has changed after decades of damage by the national park's visitors.

Glory Pool', heated by Yellowstone Supervolcano, looked different than it does today after a century of pollution from ...

Glory Pool has been the victim of decades long ‘vandalism’ causing its deep blue colour to change to a rusty yellow ...

Decades of trash and debris have forever changed the spectacular blue color the pool was once known for.

The tradition of throwing things into the pool dates back to 1872, when the park first opened, according to Yellowstone ...

Glory hot spring lost it's natural beauty due to years of visitors treating the body of water like a wishing well, throwing ...

Glory Pool is a famous tourist attraction in Yellowstone National Park and has turned multi-coloured from pristine blue ...

Glory Pool — perched near the famous “Old Faithful” geyser — was for years a must-see attraction in the Upper Geyser Basin in ...

Glory Pool near Old Faithful was once one of the most beautiful thermal pools in Yellowstone National Park. It was a ...

The pair have come together to protect one of the most iconic US national parks – with some help from Canon USA ...