From WATERVILLE HISTORICAL SOCIETYHaunted Waterville Tours are returning and tickets are now on sale at www.watervillehistory.org. The tours will begin on Saturday, Sept. 12, and run through Saturday, Oct. 31. Early reservations are encouraged as tours tend to sell out as the season progresses. Visitors will meet a ghost hunter, or medium, in Robbins House Museum for the first half of the program and will then board a horse-drawn trolley to travel through old Waterville hearing tales of hauntings both old and new. The total time for the tour is one-and-a-half hours.