The Mound Science and Energy Museum in Miamisburg will hold its 10th open house on Saturday, Oct. 11. Tours of the underground, once-secret T Building will be available for a $5 fee. Tour registration will begin at noon in the museum. (The T Building is not handicap accessible, and open-toe shoes are not permitted.) The museum is located in the Mound Business Park at 1075 Mound Road. Read the PDF document for more details.