Antarctic fur seals with tourists

Tourists watching and photographing a whale

Antarctic fur seals with tourists

Antarctic fur seals with tourists

Arctic ship

Light & Water

Learning to play: a mother and calf bottlenose dolphin riding a bow wake off San Luis Pass

A ship moves down the mouth of the Mississippi River

A ship moves down the mouth of the Mississippi River

Commercial purse-seine trawler fishing in the pelagic fishing grounds

Severe winters storm lashing the southern tip of Africa's coastline with a shipe wreck in the foreground,

Severe winters storm lashing the southern tip of Africa's coastline with a shipwreck in the foreground,