The MO Museum is a modern art museum in Vilnius, Lithuania. As a private initiative of Lithuanian scientists and philanthropists Danguolė Butkienė and Viktoras Butkus, it functioned as an art museum without walls for about ten years. The collection of 6,000 modern and contemporary pieces contains major Lithuanian artworks from the 19…The MO Museum is a modern art museum in Vilnius, Lithuania. As a private initiative of Lithuanian scientists and philanthropists Danguolė Butkienė and Viktoras Butkus, it functioned as an art museum without walls for about ten years. The collection of 6,000 modern and contemporary pieces contains major Lithuanian artworks from the 1950s to the present day.