Dylan Dreyer returns to explore the wildlife that lives in Malaysia; its diverse landscape is home to an incredible number of different species, from shifty cave swiftlets to feisty fiddler crabs.

Dylan Dreyer explores some of the most unbelievable -- and unbelievably cold -- places on Earth, from the ice fields of Patagonia to the snowy mountains of the Himalayas, discovering what thrives and survives in the world's most frigid ecosystems.