An overview of the Field of Miracles, including the famous Leaning Tower. History of interventions, and details of some of Galileo's experiments.

Organization overseeing the construction and upkeep of the various monuments in Piazza del Duomo. Detailed historical information and photographs, with virtual visit, details on the cathedral choir, musical events and archives. Online ticket office for the Leaning Tower. [Flash]

ComPart provides interactive 360-degree QuickTime panoramas of the architectural ensemble of Cathedral Square, the cloistered churchyard, Baptistry and Cathedral, with brief descriptions.

The official site gives an illustrated history of the famous tower, Quick Time panoramas and searchable archives of photographs and historical sources.

An illustrated history of the leaning tower from its construction to the present day, from Pisa Online.

In Pisa the tilted one is back in business after an 11-year effort to keep it from collapsing. Abstract of an article by Richard Covington from the Smithsonian Magazine.

Gary Feuerstein provides information, basic history, news, links, and a photographic gallery.