A Lottery Will Open May 5 Through May 9 For A Chance To View Blue Ghost And Synchronous Fireflies At Lamar Alexander Rocky Fork State Park. The Blue Ghost Firefly Viewings Will Be Held May 21 Through May 24. Synchronous Firefly Viewings Are Scheduled For June 2 Through June 3 And Again June 5 Through June 6. Ten Winners Will Be Selected For Each Night And Must Purchase A Fifty Dollar Vehicle Pass Good For Up To Six People. The Lottery Is Free To Enter And Will Be Available Online.