I see tons of pictures of waterfall braids everywhere (especially Pinterest). It seems to be a really big trend right now. A waterfall braid is a variation of a french braid. I think they look pretty cool. I was playing around with my mom's hair today and tried a few styles using waterfall braids.
Here's a simple one that I tied off with a hair tie
Here's one where I made 3 waterfall braids and then braided them together
You can get really creative with them and it's a lot more simple to do than it looks! Now I just have to practice on myself.