The Leaning Tower of Pisa is one of the most remarkable architectural structures from medieval Europe.Tower of Pisa stands at 60 metres and until 1990 was leaning at about a 10 degree angle. http://www.towerofpisa.org/?utm_source=discovertuscany.com&utm_campaign=DiscoverTuscany&utm_medium=referral&utm_content=%2Fpisa%2Ftickets.html