Check back weekdays to see photo editor Susan Welchman's daily selections. From the Daily Dozen, a selection of photos will be published monthly in National Geographic.
See the most popular Photo of the Day images, featuring Vermont's fall foliage, Thailand's beautiful beaches, Easter Island's iconic statues, and much more.
Explore almost two centuries of photography, from the first permanent image, through color techniques and innovative subject matter, to today's digital breakthroughs.
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Photo Tip of the Week
Be Wise, Resize
Never e-mail photos directly from a digital camera without resizing them. They are too big and will likely cause problems for recipients who don't have fast internet connections.