I enjoy Kayaking as a hobby. It's great exercise on the one hand, and on the other I get to be serene and peaceful on the water.
Ive only been once, but i remember my arms being so tired the next day.  Its quite a workout
kayaks are growing in popularity as well.
History.
Kayaks were created thousands of years ago by the Inuit, formerly known as Eskimos, of the northern Arctic regions. They used driftwood and sometimes the skeleton of whale, to construct the frame of the kayak, and animal skin, particularly seal skin was used to create the body. The main purpose for creating the kayak, which literally translates to "hunter's boat" was for hunting and fishing. The kayak's stealth capabilities allowed for the hunter to sneak
out, actually. I remember saying to my agent the night of the event – I was very drunk – 'Is this bad for my career?' He was a very Hollywood guy, for whom everything is fantastic, and even he ... had to say: 'Oh, it's not great.' But on the other hand, there were odd things coming out of it that were quite positive, in a way. So I have to say, in all honesty, I think it was kind of neutral