It's called, 'The Museum of National Architecture and Life of Ukraine', located in Pyrogove Village.
Tania (my wife) and I adore it and go there once a month in the summer half of the year. Unrealistically many windmills, but a lot of charming huts - fresh air and an open landscape, flowers, birds. Not crowded outside weekends.
TB 11 to the endstation, and then you have to walk some 400 meters east over open fields with larks thrilling in the vast blue over you...