We will be in Prague for 7 days starting May 7, 2009. We are thinking about going to Kutna Hora and Terezin as possible day trips. If we purchased the 5 day tourist bus pass, can this be used on the buses to take us to these locations outside of Prague or is the bus pass only good for public transportation inside the city of Prague? Also, is it better and/or cheaper to use the train or bus for these day trips? I could not find the price for a bus ticket but was able to see the price for the train. Thank you in advance for any helpful information. We are looking forward to seeing the sites of this great city.