Ready for a wild ride? Then hang on for these amazing animal adventures. Ditch the petting zoo for a chance to walk with polar bears or bond with gorillas. Trade that pony ride for some horse surfing or ostrich riding. This list offers an awe-inspiring animal encounter for every budget: From free to pricey, they're all utterly unforgettable. And if you've got a favorite not on the list, be sure to share it with other readers in the comments field below each photo.