May 18 is International Museum Day. Since it falls on a Monday this year, the National Gallery will celebrate it with free admission starting on Sunday, May 17. Sunday, May 17 National Gallery Prague — free admission to the permanent exhibitions: Old Masters I — Schwarzenberg Palace Old Masters II — Šternberk Palace Medieval Art in Bohemia and Central Europe 1200—1550 — Convent of St. Agnes of Bohemia 1796—1918: Art of the Long Century — Trade Fair Palace 1918—1938: The First Republic — Trade Fair Palace 1956–1989: Architecture for All — Trade Fair Palace 1939–2021: The End of the Black-and-White Era — Trade Fair Palace Asian Art Across Space and Time Monday, May 18 National Agricultural Museum Museum of Czech Garnet