Top 10 National Parks, 20 Best Hikes, Yellowstone Photo Gallery, and More!

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Best of April 2012 Photo of the Day Enlarge > Winged Wonders Browse Photos > Earth Wallpapers Download > Texas Photos See the Gallery > On Everest New Images > National Park Week 2012 Celebrate National Park Week with beautiful images of U.S. parks and recreation areas. Download Nat Geo's New National Parks App > Photo Gallery: Classic Yellowstone > 20 Best Hikes in the National Parks > Top 10 U.S. National Park Landmarks >   Koala Rescue Koalas are under siege. Can Australia save them?   Iconic Places to Photograph A National Geographic photographer shares his top 10 places to shoot.   2012 Traveler Photo Contest Browse our editors' favorite submissions.   Nat Geo Today App Get a daily dose of National Geographic with our free Today iPad app.     Spectacular Norway Northern Lights Curtains of light fill the skies over Norway in a new time-lapse video made from aurora images.   Baboons Can Learn Words? Baboons can master one of the basic elements of reading, a new study says. Everest 2012 Photos: Urban Farming Continues to Grow Locked Up Abroad New Season Begins April 25 Pitcairn Islands Expedition: What We Found Quiz Your Noodle: Great American Adventure   Photos: New Purple Crab Species Discovered Four new species of colorful crustaceans have been discovered in the Philippines, a recent study says.   Pictures: 3,000 Ancient Buddhas Found Found at the site of an ancient Chinese city, the 1,500-year-old statues—some life-size—may have been buried by temple officials.   Pictures: Nature Yields New Ideas for Energy and Efficiency Drawing inspiration from nature, new technologies seek to produce cleaner, more efficient energy through biomimicry.   Subscribe to National Geographic magazine » Shop our online store »   If you received this email from a friend and would like to subscribe to this or other National Geographic emails, click here. Unsubscribe | Change Email Address | Update Email Preferences | Privacy Policy | About Us Click the unsubscribe link above to be removed from our email program, or send your request to National Geographic; Attn: E-newsletter Program; 1145 17th Street NW; Washington, DC 20036. Copyright © 2012 National Geographic Society. All Rights Reserved. To ensure you receive your National Geographic emails, please add ngs@newsletters.nationalgeographic.com to your address book now.