Lithuania is also known for numerous castles. About twenty castles exist in Lithuania. Some castles had to be rebuilt or survive partially. Many Lithuanian nobles' historic palaces and manor houses have remained till the nowadays and were reconstructed. Lithuanian village life has existed since the days of Vytautas the Great. Zervynos and Kapiniškės are two of many ethnographic villages in Lithuania. Rumšiškės is an open space museum where old ethnographic architecture is preserved.