Maybe you like the idea of rolling down a hill in a carefree manner, but you're fussy about grass stains. Or you've always wondered what it's like to be a hamster. Or you're just plain crazy. Whatever the reason, there exists an activity in Rotorua, New Zealand, called Zorbing, in which people pay good money to roll down a grassy hill in a giant plastic ball.
Of course you can customize your hill-rolling adventure. Do you want to be strapped in or bouncing free? Would you like some water added into your ball so that you get splashed in the face while you're rolling? Perhaps you would like to tack on the adventure package, in which your ball switchbacks down the hill and does a vertical drop off the edge in the end. Whatever the case, remember to wear clothing that won't come loose and accidentally reveal anything. Because you'll want to be able to crawl out of your giant plastic ball with your dignity intact.