After seeing these photos you will totally understand why National Geographic is renowned for some of the most creative and imaginative photography out there. These photographs are just a few of many breathtaking photos that were entered into the contest that they hold annually.
These photographs are incredible, as you look through them try and put yourself in the photographers position. Where they were, what they were doing and how they captured these once in a lifetime photos.
More info on each shot and image credits can be found here.