The Pescador Island’s school of sardines appear like a tornado.
Photograph by: Henry Jager

A worker fixes a cable on an antenna atop the John Hancock skyscraper in Chicago, Illinois.
Photograph by: Lynn Johnson

 

Weathered ruins of an abandoned Antarctic scientific research station in Station W, Detaille Island, Antarctica.
Photograph by: Jason Edwards

 

American bison charge through heavy snow in a pristine wilderness in Yellowstone National Park.
Photograph by: William Albert Allard