Since 1965, the annual Underwater Photography of the Year awards have recognized the best images captured beneath the waves.

Bruce Mozert / University Press of Florida Mozert pioneered underwater photography, building waterproof housings that allowed him to go deep with a camera in hand. Bruce Mozert / University Press ...

but USA's artistic swimming team has found a way to perfect an incredibly difficult version of it in the pool. Here's what to know about the underwater moonwalk and how the United States ...