Iceberg, Antarctica by Dave Walsh

Natural arch in a glacier at Norsel Point, Anvers Island.(Image credit: Glenn Grant/National Science Foundation)

Adelie penguins (Image credit: Patrick Rowe/National Science Foundation)

Brooks de Wetter-Smith’s photograph of an iceberg titled “Ice Tunnel”

Calkin Glacier located in the Taylor Valley in Victoria Land (Image credit: Brian Johnson/National Science Foundation)

Yeti by StormPetrel1

The Dry Valleys of Antartica – Rain-free for 2 million years and counting

Adelie Penguin Dive on Paulet Island, Antarctica by nick_russill

Icebreaker breaks through the annual sea ice near the Oates Coast of Antarctica (Image credit: Mike Usher/National Science Foundation)

sundog by august allen

Commonwealth Glacier in the Transantarctic Mountains (Image credit: Mike Embree/National Science Foundation)

Peep through the Iceberg by divedivajade

Hyperstatic by StormPetrel1

Church Iceberg by nick_russill

Icebreaking McMurdo Sound Antarctica

G146 by pratt

Midnight in Antarctica by pdvos

Penola Strait, Antarctica

Antarctica and The Falkland Islands by Art Wolfe Inc.

Aurora Australis at the South Pole by Euclid vanderKroew

White iceberg in Paradise Bay (Image credit: Michael A. Stecker)

Penguins (Image credit: Darrell Gylin)