See How the world's biggest watermelon is transported.

Rumble / Massive Watermelon -- We all know watermelons are big fruits. They are sweet, tasty refreshing and very nutritional. Sweet, drippy, and a tad crunchy, a bite of a watermelon evokes nostalgic feelings of balmy beach days and summer barbecues. But for a subset of amateur farmers across the country, watermelons are much more than a beloved juicy snack. They're also the centre of a competitive and passionate hobby: growing giant watermelons.