The 49ers announced some of the bonus features of Levi's stadium, including offering public tours, according to the stadium's web site.Fans will be able to go on a group tour for $25 per person, which is over three-times less than the price of the cheapest game ticket, which is $85.The 49es also unveiled all the details of their 20,000 square-foot museum as well as a state-of-the-art flagship team store.Levi's Stadium opens in August. - California Mileage Tax Would Charge Drivers Based on Distance DrivenPhoto Credit: NBC Bay Area