The document summarizes information about several notable buildings and landmarks in Poland, including St. Mary's Church in Krakow built in 1222, the Cloth Hall in Krakow built in 1358, the former Uzbornia gypsum mine that is now a family park, the oldest tree in Poland known as the Bartek Oak estimated to be 645-685 years old, the Moszna Castle built in 1896 that is now a hotel, the National Stadium in Warsaw built in 2012, the Pieskowa Rock Castle built in 1315 that is now a museum, the Frederic Chopin Monument in Warsaw established in 1926 where music competitions are held, the open-air museum in Sanok built in 1958