Explore nature in our Des Moines Parks and reap the rewards. Check out spring’s woodland flowers at Greenwood Park or the lilac arboretum at Ewing Park. Photograph the prairie’s summertime flowers and butterflies at Glendale Cemetery and bundle up for a visit to the Scott Street Bridge or Gray’s Lake to see the bald eagles. While there try to spot signs of beavers at work to build their log homes. Take your binoculars to Easter Lake Park for bird watching or lace up your hiking boots for a winte …