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Screensaver: Extreme Earth

Travertine chimneys in Djibouti

See some of Earth's most artistic natural sculptures, from the caves of Alaska to the coves of Belize, from Icelandic volcanoes to Antarctic ice floes.

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For Windows XP

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For Mac OS X

  1. Click the "Mac OS X" link above to download the screensaver.
  2. Locate the screensaver file on your computer and double-click it.
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  4. Select "Screen Saver" from the menu, and select the National Geographic screensaver from the list.
  5. Note: To disable the screensaver, open your Desktop & Screen Saver Preferences, and either move the "Start Screen Saver" slider to "Never" or select a different screensaver from the list.

 

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Interactive Map

Visit Mexico with this interactive map.

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Interactive Map

Signs of and solutions to the world's water crisis.

Photo Tip of the Week

Natural Framing

Door frames, clouds, flowers—anything you see in your image can help to naturally frame your subject and create a strong visual center in your photo.

More Photo Tips

Wild at Heart

Photo: Wild at Heart book cover

Explore the wild with award-winning photographer Chris Johns.

Photography Guides

Photo: Ultimate Field Guide book cover

Guides by National Geographic photographers.