"Shocked onlookers" watch man edge around near-boiling Yellowstone spring Two men wandered off the boardwalk at Grand Prismatic, where the water can reach 189°F Watch hikers risk lives strolling beside giant hot spring at Yellowstone National Park At least 20 people have been killed by falling into Yellowstone's geothermal features Advnture NewsletterAll the latest inspiration, tips and guides to help you plan your next Advnture!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors MOST READ1Kathmandu Heli R Hooded Down Jacket review: lighter on the trail, lighter on the planet2Nemo Hornet Osmo Ultralight 3-Person Backpacking Tent review: a beautifully designed shelter3Garmin Instinct 2X Solar hits record low price – who needs Black Friday?4Men try to take close-up photos of grizzly bear and cub – it doesn't end well5Watch wince-inducing footage of a Norwegian man attempting the belly flop – sorry, “death dive” – world record
