My dear friend Grazie suggested to me one fantastic and I think very helpful theme for the series: What to see and visit in Prague when you have only three days. This is my suggestion for the second day. I hope it will help and inspire you!
It is a lovely morning and you get on the tram, tube or just on your feet you will start with the first spot of the second day: Vysehrad. It is a historical fort, which was probably built in the 10th century. It stands on a hill with a strategic position over the river Vltava and with the view on the castle hill. According to Wikipedia, “When the Přemysl dynasty settled on the current site of Prague Castle, the two castles maintained opposing spheres of influence for approximately two centuries.” In the morning with this view, you will definitely feel like one of those kings. This place gives you a perfect view and similarly peaceful and not so overcrowded walk.
Then, take your route around the river, till you get to Rasinovo nabrezi and walk bit further to find the “dancing house.” After taking some photos, ride the “zoo boat” which will take you for a sail to Troja just for 190 Kc. This will give you more than 75 minutes on the river Vltava, taking you not only to the zoo, but also on a sightseeing sail through the old town. For more information about the zoo and the boat-dates, check this website.
Be prepared to spend several hours in Troja, because there is always something to see for photo-hungry lomographers. Not just zoo, but the château and botanical garden are also there.
After this long long day, finish the evening with Czech food. Look for Potrefena Husa restaurant in street Zhořelecká 514, Praha 8. This restaurant serves (as they say) traditional Czech cuisine, but with a modern touch. I have tried some of their meals myself and they are really good, but also quite greasy. However, when in Prague do as the Czechs do.