Cats on Catnip

A humorous collection of dozens of photos of funny and adorable cats as they play with, roll in, and chow down their favorite snack of choice -- catnip.

Cats love catnip. Whether it's eating it, playing with it, or rolling around in it, catnip turns our domestic feline friends into hilarious balls of activity. Carefree and unconstrained, they are free to be silly, exceptionally playful, and downright gnarly.

Professional pet photographer and self-confessed crazy cat man Andrew Marttila (t...