The "Landis Valley Museum" is a living history museum located in Lancaster, Pennsylvania. It collects, conserves, exhibits, and interprets Pennsylvania German material, culture, history and heritage from 1740 through 1940. The museum was founded by the Landis brothers--Henry K. Landis and George Landis.Building 3, Log Farm, is actually a collection of buildings which recreate a Pennsylvania-German farmstead in the 1760-80 period.