Opera della Primaziale Pisana
- Pisa Miracles Square official web site. History, art and monumental buildings with online booking for the Leaning Towers tickets
- http://www.opapisa.it/?id=15&L=1&T=2

National Museum of Bargello
- Offers search in the archive of this Florence museum.
- http://www.bargello.it

The Leaning Tower of Pisa
- Official web site of the famous tower in Piazza dei Miracoli.
- http://torre.duomo.pisa.it/index_eng.html

Astrophysics Observatory of Arcetri - Astronomy and Space Science Department
- Official site includes directions, hours, contact information, and current research.
- http://www.arcetri.astro.it/English/

Polo Museale Fiorentino
- Official site of Polo Museale Fiorentino.
- http://www.polomuseale.firenze.it/english/

Virtual Uffizi
- The complete catalogue of the Uffizi Gallery of Florence, Italy including reservation service.
- http://www.virtualuffizi.com/