One of the most popular YouTube channels in the world, which features animated nursery rhymes, has been sold. Little Baby Bum was founded by a London-based couple in 2011 and has racked up 17.5 ...

Green trees, blue skies, red flowers -- the world is made up of many colors, and the Color Train song takes you on a trip through all of them. Hop like a kangaroo, roar like a lion, tweet like a bird ...

600,000 square miles. Nowhere to hide.

The channel, which features animated animals performing nursery rhymes, has collected multiple world records. For a YouTube channel you've likely never heard of, "Little Baby Bum" sure holds a bunch ...