a series of travel images from Estonia, Tallinn-1. The capital and largest city in Estonia The towns history goes back to the middle ages and a fortress was built on Toompea (Cathedral Hill) in the eleventh century. The historic town centre has been well preserved and many buildings still standing nowadays date from the 14th century, a time when the city known as Reval at that time, prospered as a trading town. The old town centre is on the Unesco World Heritage List.