Pisa

The city of Pisa, situated in Italy's Tuscany region along the Arno river, is famous mainly for its leaning tower. Of interest are also the cathedral on the Campo dei Miracoli field and the Scuola Normale Superiore university. In the middle ages Pisa was a city republic competing for trade routes and influence in the Mediterranean sea with the other seafaring city republics of Genoa and Amalfi.