Kick it old-schoolTime to relive those carefree childhood summers. Bring a kite to the park or beach, wait for a big gust of wind, and then fly high! You'll blow away 100 calories in 12 minutes. Or pull on a pair of roller skates and take off (with a helmet, naturally), doing your best figure eights and spins whenever possible (100 nixed in 14 minutes).
Be a fair ladyThe state fair may be the hub for fried, well, everything, but it's also a sweet place to tone and trim. Hit the batting cages for 10 minutes (54 calories), play a round of mini golf for 13 minutes (42 calories), and swing by the strength-o-meter to take a crack (6 calories).
Go coupon-crazySurf Groupon.com to find great deals on adventures near you. Redeem a coupon for rock climbing, one of the site's frequently discounted activities, and you'll burn 100 calories in 9 minutes while scaling a wall. Or nab an amusement park day pass, another site favorite, and you'll lose 100 in 31 minutes as you meander from ride to ride.
Make the most of a getawaySizzle while you sightsee. Climb the steps of Machu Picchu (or any ancient ruin) for 14 minutes to make 100 calories history. Or torch the same number wandering through a museum for 37 minutes.
Do a machine medleyErase 100 calories the way SELF fitness director Meaghan B. Murphy does—fast! Hit the elliptical for 5 minutes (40 calories), then go all out on the rowing machine for 5 minutes (60 calories). Didn't even have time to get bored, did ya?
Hit the mat with a palHave a partner hold on to your feet for 5 minutes of crunches (42 calories). Then do side-by-side mountain climbers for 4 minutes (34 calories). Cap it off with 3 minutes of jumping jacks (26 calories).