If you are staying in Prague for longer you can make your trip more interesting by visiting some of the majestic Czech castles or cities. Some of the most popular are Karlstejn Castle a medieval castle built as a treasury for the Czech coronation jewels or Konopiste Castle with its monumental park. If you are interested in World War II history, you may be interested in a day trip to Terezin Memorial a Jewish Ghetto and transit camp for prisoners before they were moved to Auschwitz.