Top: From the National Geographic Explorer ship, a view of Wilhelmina Bay as the sun starts to brighten the sky. Left: Curious king penguins waddle over — some close enough to peck at camera lenses — at St. Andrews Bay on South Georgia island. Right: Long black ribbons of cracks extend from the bow of the ship as it moves through the sea ice.

Top: From the National Geographic Explorer ship, a view of Wilhelmina Bay as the sun starts to brighten the sky. Left: Curious king penguins waddle over — some close enough to peck at camera lenses — at St. Andrews Bay on South Georgia island. Right: Long black ribbons of cracks extend from the bow of the ship as it moves through the se