Start your summer with a trip to Spiro Mounds Archaeological Center for a special guided tour on the summer solstice. There will be three walks led by archaeologist Dennis Peterson starting at 11 am, 2 pm, and 7 pm on Thursday, June 21, 2018. Each walk will include one mile of easy walking and last about two hours. There is a $5 per adult and $3 per child fee for this event. This is in addition to the normal admission…