The man has been slammed online after he was seen walking in flip-flops over a delicate eco-system in Yellowstone National ...

A Yellowstone National Park visitor was recently spotted walking in flip-flops across an off-limits zone. Photos of the ...

Other Yellowstone visitors were horrified Monday as they watched a man in flip-flops walking off the board walk onto the ...

Over 20 people have died after they entered or accidentally fell into the hot springs at Yellowstone National Park. There are signs everywhere that warn visitors not to get off the boardwalks or ...

Members of Montana’s congressional delegation have introduced bicameral legislation implementing a presidential order that ...

"I wish Congress would make the fines in national parks much larger." Onlooker captures upsetting video of tourist's ...

A teenage boy visiting Yellowstone National Park was seriously burned when his foot broke through the ground near a geyser by ...

The color given off by Grand Prismatic’s bacteria is a pigment that they use as sunscreen. By the time the water gets to the edge of the spring, it has cooled to about 147 degrees.

The Grand Prismatic Spring of Yellowstone National Park is the largest thermal spring in the US and the thirds largest in the world. But the sheer size of this 61-100 meter (200-330 feet) wide ...

Grand Prismatic is known for the bright multi-hued algae and bacteria coloring its edges, and the deep blue color at the center of its approximately 200-foot-wide pool. Visitors aren't allowed to ...

Members of Montana’s congressional delegation have introduced bicameral legislation implementing a presidential order that ...