Forrest Park - Bigger than Central Park in NYC. Here you have the zoo, The Muny, art museum, the hot air balloon race and balloon glow, the grand basin, the flower box, golf courses, bike and walking trails, etc. etc.
Greer Spring, Mark Twain National Forest in Missouri. There is a mile long trail that heads down to the spring. Greer Spring is the second largest spring in the Ozarks, and in Missouri. 222 million gallons of water bubble up from the spring, and then flow into the nearby Eleven Point National Scenic River.
Great River Road, Hwy 84 Fulton, IL, USA. This scenic drive follows the flow of the mighty Mississippi River as it curves along the western edge of Illinois and meanders for more than 550 miles, traveling through charming small towns and offering beautiful river and woodland views along the way.