Park officials warn visitors that thermal areas can be deadly, even when the ground appears safe.

A witness said she stopped in her tracks when she spotted the women near the massive hot spring, whose center of the pool ...

A pair of tourists were caught on camera walking off-trail last Saturday, illegally approaching the dangerous banks of the ...

Video captured two visitors illegally crossing the fragile crust of the Grand Prismatic Spring. “I thought I was going to ...

A viral video of tourists walking on Yellowstone's blue geothermal pools highlights the hidden dangers of these stunning yet ...

Two tourists were spotted trespassing near Yellowstone National Park's Grand Prismatic Spring in Wyoming on July 18, ...

Two tourists got dangerously and illegally close to Grand Prismatic Spring on Sunday in Yellowstone. Montana resident Tanya ...