While some may prefer to stay above water at all times when traversing the seas, there are others that like the underwater views. If you fall under the latter category, these awesome personal submarines should do the trick. Our preferred mode of transport is most certainly the Seabreacher Shark, which is powered by a supercharged 4-stroke engine that produces 260-horsepower, enabling it to reach 25mph underwater, and a zippy 50mph while riding along the surface. Inside the craft, there’s LCDs to display vital, GPS navigation and even an iPod-compatible stereo system. Click here to view the first image in today’s viral picture gallery. Continue reading for the five most popular viral videos of today, including the world’s largest functional whoopee cushion.