25 Greatest Natural Wonders of the World - Travel Video | By Explorationtour

Massive glaciers, staggering mountains, plains dotted with wild animals: We sure live in a big, beautiful world. And while pinpointing all of Mother Nature's greatest hits could take a lifetime, we think these out-of-this-world landscapes and awe-inspiring wonders, from Arizona to Antarctica, need to move to the very top of your travel list