National Geographic Explorer in Antarctica

1920 × 1200

National Geographic Ship

1280 × 1024

Antarctic ice shelf edge

1600 × 1200

Ship in icy waters

1600 × 1200

Ship in Polar Region

1600 × 1000

National Geographic Explorer

1920 × 1200

Polar bears on ice

1600 × 1200

Polar Bear on Ice — Blue, Dramatic, Winter, Photograph

1280 × 960

Cruise Ship in Polar Waters

3000 × 1760

Polar bear in icy water

1024 × 768

U.S. Coast Guard icebreaker in Arctic

2600 × 1711

Icebergs in Polar Region

1920 × 1200