The document provides facts about various geographical superlatives in Poland. The longest river is the Vistula River at 1,047 km. The largest lake is Śniardwy, which is 113.8 square km in area. The highest point is Rysy peak at 2,499 m. Some other highlights mentioned include the oldest national park being Białowieski National Park, the oldest university being Jagiellonian University founded in 1364, and the tallest building now being the Palace of Culture and Science in Warsaw at 231 m tall.