A few years ago, award-winning animal photographer Seth Casteel became an overnight sensation when his photos of dogs underwater went viral. What followed was a book deal that resulted in the New York ...

Photo/Photo Credit© Seth Casteel A new book by Seth Casteel features adorable pictures of puppies splashing around underwater. A new book by Seth Casteel features adorable pictures of puppies ...

Underwater Puppies is New York Times bestselling author and photographer Seth Casteel's follow-up to the phenomenal Underwater Dogs. The world fell in love with swimming canines in Seth Casteel's ...

This story was originally published April 7, 2015. First there were underwater dogs, then underwater puppies. Now, the cute factor has been raised exponentially in "Underwater Babies." First there ...

This collection of photos from Seth Casteel features hilarious dogs underwater. We don't usually toss the word "cute" around too often, but sh*t, take a look at Casteel's series, Little Friends ...

These cute dogs are diving underwater, watching the fish swim by when all of a sudden they are ambushed by a huge great white shark. The brave animals take the shark attack prank in stride and ...