Celebrate National Trails day on June 2 with a free visit to the Johnson County Museum.If you haven't experienced the museum in its Metcalf location - or even if you have - come enjoy the museum, including the 1950s All-Electric House, and the 2,500 square-foot main exhibit titled "Becoming Johnson County," featuring more than 400 objects, and more than 500 photographs. The KidScape experience is a 3,500-square foot area of the museum which lets kids learn about the past through three unique communities. There’s an 1870s farmstead, a 1900s city, and a 1950s diner. A special temporary exhibit called "Let's Celebrate - Johnson County Museum is 50" will be in the museum's changing exhibit gallery through Aug. 4 and celebrates 50 years of collecting with the museum.The Free Day at the Johnson County Museum is a seven-and-one-half-hour drop-in event which will take place from 9 am to 4:30 pm on Saturday, June 2. Pre-registration is not required. The Johnson County Museum is located at 8788 Metcalf Ave., Overland Park.To find this program in the My JCPRD Activities catalog, browse first under Special Events and then under Fun For All. Look for the keywords “family fun.”The Johnson County Museum is a department of the Johnson County Park & Recreation District.