Khrushchev renamed or reverted the names of many places bearing Stalin's name, including cities, territories, landmarks, and other facilities. The State Anthem of the Soviet Union was purged of references to Stalin, and so were the anthems of its republics. The Stalin-centric and World War II-era lines in the lyrics were effectively excised when an instrumental version replaced it. The Joseph Stalin Palace of Culture and Science in Warsaw, Poland was renamed in 1956. Stalin Peak, the highest point in the USSR, was renamed Communism Peak. After the collapse of the USSR, the mountain was renamed Ismoil Somoni Peak.