 The Maryland-National Capital Park and Planning Commission (M-NCPPC) maintains the Harmony Hall Regional Center , including the John Addison Concert Hall, site of community theater ("Tantallon Community Players"), art shows, frequent concerts, and a variety of classes for all ages.A YMCA fitness center operated from 2005 until 2016, and a community center facility opened in 2013 in Fort Washington Forest.The 12,000-member Ebenezer A.M.E. Church is noteworthy, as is a large nursery/landscaping business and a popular motorcycle shop.