If you wander around Prague you will notice several water towers, Novomlynska Water Tower is one such beautiful tower ,this water tower once supplied the water to the Lower New Town area and looks awesome, for a small fee you can ascend the tower between 9am till 6pm Monday to Sunday were you have some great views of the Vltava River and the New Town area.
This tower is so easy to locate, jump tram 3 to stop Dlouha Trida ,tower is easy to locate on a street called Nove Mlyny its practically adjacent the beautiful Kostel Svateho Klimenta ( St Clements Church ).
Most definitely well worth checking out if your in the area.