The permanent home of the National Scout Jamboree will hold a four-day outdoor festival for the public in September. The Adventure On! Freedom Festival will take place Sept. 10 to 13 at the 14,000-acre Summit Bechtel Reserve. They’ll have a free concert featuring the band Lonestar on Sept. 11 for first responders, active duty or retired military and law enforcement officers on the 20th anniversary of the 9/11 terrorist attacks. The event also will feature motor bike and electric bike racing, swimming, hiking, fishing, skateboarding, target shooting, camping and ziplines.