A self-guided walking tour of the Tucson Historic Warehouse Arts District along Toole Avenue between Sixth and Stone avenues takes place from 5 to 10 p.m., Saturday, Oct. 5; free. The event features an interactive guessing game created by Worker, Inc in conjunction with the book, Guess That Intersection. The first 20 people to answer all the questions correctly win copies of the book. Art exhibits, performances, the Tucson Food Truck Roundup and Borderlands Brewing Company beer tastings are also found along the route. Call 261-9219 for more information.