Greg Krueger has spent the last 15 years creating a cat utopia out of his Minnesota home:

March 23rd is National Puppy Day! But let's be honest, did we really need to use a holiday as an excuse to share our love of those cute cuddle monsters?

Here are 13 reasons why our puppy obsession knows no bounds:

The existence of islands populated entirely by animals seems like something out of a storybook. (Animal Farm ring a bell, anyone?) But there are actually some real places where animals rule.

Here are 9 locales that have been completely overrun by wild animals:

Now that the snow is finally melting, dogs all over the country are running to the nearest mud puddle for a long-awaited chance to splash, frolic, and roll in that liquid dirt.

Here are 13 dogs that just had the time of their lives rolling around in the mud:

While cats and dogs may be the favorite family pets in Western cultures, other animals reign supreme in the rest of the world. Just because they're scaly or unusual doesn't mean they're any less loved!

Here are 7 popular pets around the world: