overview opening hours On the top floor of the Army Museum Žižkov building, you will find Café Kupka, named after one of the most prominent Czechoslovak legionnaires and Czech abstract painter, František Kupka. The interior, styled to evoke the atmosphere of the 1930s, highlights the Czechoslovak legionary tradition and offers a chance to relax and add a new dimension to your museum visit. Enjoy good coffee, homemade desserts, sandwiches and snacks, or a summer drink on the terrace with a breathtaking view of Prague. opening hours january—december mon closed tue—sun 10:00—18:00 more about opening hours opening hours january—december mon closed tue—sun 10:00—18:00