The Cecil County (Md.) Fair opens July 21 and runs through July 29. It's quite an experience: barns full of prize animals, flowers, vegetables, baked goods and crafts as well as carnival rides, a demolition derby, tractor-pulling competitions, live music, farm equipment displays, and food vendors (I cannot recommend the deep-fried Oreos). The people-watching alone is worth the price of admission.
The fairgrounds are located at 4640 Telegraph Road (Route 273) in Elkton.