The Nature Conservacy is featuring a sweepstakes where you can win a hybrid car or REI gift card. Simply take a hike, ride a bike or picnic in one of 30 of Ohio's Natural Treasures and take a photo of your visit.
Areas in central Ohio include Gahanna Woods State Nature Preserve, Grange Insurance Audubon Center, Big Darby Headwaters, Pickerington Ponds Metro Park and Blackhand Gorge State Nature Preserve.
You can also calculate your carbon footprint while planning your trip.
The sweepstakes runs through Aug. 8.
For details on the contest and to enter, visit http://www.nature.org/allhands/naturaltreasuresohio/natural-treasures-registration-page.xml.