Prague is one of the most popular tourist destinations these days and it shows now slowing down. The city has seen a lot in just the last 100 years (declaration of independence, Nazi control, communist mind control and finally capitalist democracy), never mind the history since the Prague Castle was erected in 870. It's a perfect city for photography, walking and beer drinking; just be wary of all the tourists recently. If you are looking for a great little day trip just outside Prague I suggest checking out the Ossuary (or Bone Church) in Kutna Hora. It's a bit creepy but amazing.