Monadnock Children's Museum The Monadnock Children's Museum is an interactive museum for all children ages 1 - 10 Keene, NH Museums Monadnock Lodging Association Keene, NH Businesses Greater Keene Chamber of Commerce Keene, NH Businesses Underwater Sports of New Hampshire, Inc Keene, NH Other Attractions Thorne-Sagendorph Art Gallery Keene, NH Arts