Birds are the world’s quintessential travelers, free to fly at a moment’s notice without carry-on or even a passport. Some cross hemispheres to meet a mate; others gather in stupendous flocks for the sake of a little company. And in a few corners of the Earth, like in Denali, birds create avian spectacles that make its own weather.
So grab your binoculars! From king penguins to melancholy woodpeckers, about 10,000 feathered species share this planet with us—and in these ten hotspots, they will take your breath away.