A man has been caught on camera wandering off the boardwalk at Grand Prismatic Spring in Yellowstone National Park for a better look at the scalding waters. This is incredibly dangerous; temperatures at Grand Prismatic range from 145°F to 189°F (63°C to 87°C), which is hot enough to cause serious burns within three seconds.
The incident was caught on camera by Gary Mackenzie and his wife. The couple sent their video (which you can watch below) to Instagram account TouronsOfYellowstone, which calls out bad behavior at US National Parks. Just last week, a visitor was seen scalding themselves while trying to dabble their fingers in the waters of Silex Spring, which is one of the hottest springs in the Fountain Paint Pot area.
