See the stunning images in the 4th annual International Drone Photography Contest
The country music stars are tying the knot May 14 in Texas.
April 6, 2009Miranda Lambert and Blake Shelton perform "It Ain't Cool to Be Crazy About You" at the Academy of Country Music Artist of the Decade All Star Concert in honor of George Strait in Las Vegas.Mark J. Terrill/AP
The contest is accepting entries in one or all of four categories: wildlife, landscapes, underwater and aerials. The grand-prize winner will receive $10,000, publication in National Geographic Magazine and a feature on National Geographic’s Instagram account.