This Month in Photo of the Day: Nature and Weather Photos

The mighty weight of the entire Milky Way teeters precariously on Balanced Rock in Arches National Park.

(This photo and caption were submitted to My Shot.)

Have a great photo of a U.S. national park site? Submit your photos (tagged #parkwk) to My Shot by May 1, 2011. Then, check out our travel site to see a gallery of our favorites.

See pictures of the Ten Most Visited National Parks »
See more pictures of Arches National Park »