<p><strong>In May 2009, Photo of the Day featured images from National Geographic books.</strong></p><p>Penguins surface near an air hole in Antarctica, captured with a remote underwater camera.</p><p><em>From the National Geographic book <a href="http://shop.nationalgeographic.com/coupon.jsp?code=MR20238&amp;URL=%2Fjump.jsp%3FitemID%3D4466%26itemType%3DPRODUCT"></a></em>Visions of Paradise<em>, 2008</em></p><a onclick="return addthis_sendto()" onmouseover="return addthis_open(this, '', '[URL]', '[TITLE]')" onmouseout="addthis_close()" href="http://www.addthis.com/bookmark.php"></a>

Penguins Underwater, Antarctica

In May 2009, Photo of the Day featured images from National Geographic books.

Penguins surface near an air hole in Antarctica, captured with a remote underwater camera.

From the National Geographic book Visions of Paradise, 2008

Photograph by Maria Stenzel

Photo of the Day: Best of May 2009

View the most popular Photo of the Day images from May 2009, from National Geographic.

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