Imgur is a semi-popular internet picture sharing site. The userhood of Imgur is considered much more emotional and understanding than most of the internet, though sometimes people tend to go there and get "karma points" by sharing a pic and claiming they have adopted an abandoned animal or something. Usually Imgur is full of pictures of cute animals, memes, and sometimes you can actually see funny pictures too. Imgur is often used as the photobase of pictures on Reddit.
Imgur is a good place to find pictures of cute animals.