iceberg, South Georgia

These images from the Smithsonian Magazine Photo Contest show just why penguins have waddled into our hearts ...
The world's largest iceberg, A23a, is on a crash course towards South Georgia, threatening millions of penguins and seals.
A photographer went to South Georgia hoping to find a yellow penguin he saw three years ago. Instead, he found an even rarer ...
The trillion-ton slab of ice that scientists call a "megaburg" broke off from the Antarctic’s Filchner Ice Shelf in 1986.