If you're eager to add a little more culture to your trip, put KGB Museum on your list. Check if there are any guided tours or simply roam around at your own pace.
Don't want to spend a lot? The fact that KGB Museum doesn't cost a thing will make your hip pocket happy. This museum is located in the food-lovers neighborhood of Mala Strana and just one of numerous things to experience around here. Charles Bridge, Old Town Square and Wenceslas Square are ready for you too.