1. If You Loved: Hula Hoops
Try: Hoop Dancing
Slightly oversized fitness hoops are easier to keep aloft than a kid's version as you twirl your way to a sculpted midsection.
Get started: Find hoops (about $30) and workout DVDs at hoopgirl.com.
Burn: 306 calories/hour*
2. If You Loved: Climbing Trees
Try: Rock Climbing
Indoor walls challenge balance, strength, and coordination to keep your brain and body in top shape.
Get started: Search for local climbing centers at indoorclimbing.com, and take a class to learn the basics.
Burn: 528 calories/hour*
3. If You Loved: Trampolines
Bouncing on a minitrampoline blasts fat without putting stress on joints.
Get started: Find classes or buy a home kit ($100 for trampoline and 3 DVDs) at urbanrebounding.com.
Burn: 567 calories/hour*
4. If You Loved: Scavenger Hunts
Participants use a compass and map as they race to find a series of checkpoints scattered throughout the woods. Get started: Go to us.orienteering.org for clubs, events, and courses.
Burn: 612 calories/hour*
*Calorie burns based on a 150-pound person.
This article was originally published on Prevention.