The adventurous explorers have snapped themselves in shark-infested waters, at the side of an active volcano, atop a Hong Kong skyscraper surrounded by toxic smog, and even perched on the top of iconic Rio statue of Christ the Redeemer. Here: Kim Wolhuters touching noses with a wild Hyena in the Mashatu Game Reserve in Botswana. (Photo by Kim Wolhuters/Caters News Agency)
