Mackinac City, Straits of Mackinac, Michigan, USA: Looking north from the shoreline down the Mackinac Bridge which spans the Straights of Mackinac. This image is from Drain The Great Lakes.
Papua New Guinea, Western Province: Two members of The Biami tribe in Negadai village prepare for a feast of pig cooked in a 'Moo Moo' oven.
This image is from Search For The Cannibals Of The South Pacific.
Thingvellir National Park, Iceland - Tourists walk through Iceland's Thingvellir rift valley, the only place on Earth where the continental boundary of the Mid-Atlantic Ridge rises above sea level. This image is from Birth of Europe.
Southern Iceland - 'Birth of Europe' explores how Iceland's mountainous landscape was created and shaped by active volcanism. This image is from Birth of Europe.
Gir National Park, Gujarat, India: A male Asiatic lion takes a glance at the camera while sitting in the morning light.
This image is from Secrets of Wild India.
In Gabon, rural communities live with profound understanding of the natural world that they are part of and still follow cultural traditions of the forest. This image is from Gabon: The Last Dance.
Gir National Park, Gujarat, India: Belonging to the antelope family, the black buck is the flagship species of the dry grassland habitats of our state.
This image is from Secrets of Wild India.
Gir National Park, Gujarat, India: Two Desert Foxes wrestle with one another under the fading sunlight in Gir National Park.
This image is from Secrets of Wild India.
Sweden: Great Grey Owl (Strix nebulosa) is seen resting on a tree limb while its eyes are locked onto something just beyond the camera.
This image is from Nordic Wild.
Denmark: Close-up shot of a Grey Seal (Halichoerus grypus) tipping its nose out of the water while swimming towards the camera.
This image is from Nordic Wild.
SCREEN GRAB: Nearly 40 feet long and weighing up to 20 tons, the mysterious whale shark is the largest fish in the sea. Ironically, its survival depends on some of the tiniest creatures. This image is from Great Migrations.
SIBERIA, EAST RUSSIA - Uwe Anders (right) and his assistant Anatoly Ryzhow spent three months on Wrangel Island in the far northeast of Russia. This image is from Wild Russia.