You'll need a strong stomach for this one. For this list, we're looking at the craziest things that British wildlife expert and daredevil Bear Grylls has done. Our countdown includes crossing a river on a tree trunk, eating a reindeer heart, falling from a helicopter in Sumatra, and more! read more...
Top 20 Insane Bear Grylls Moments
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VOICE OVER: Phoebe de Jeu
WRITTEN BY: Caitlin Johnson
