The Opera House Project is a comprehensive interactive documentary about Jørn Utzon’s Sidney Opera House. There are interviews, photographs, sketches and 3D drawings of this unique and complex building. It’s launched to coincide with the 40^th anniversary of the completion of the project.

http://theoperahouseproject.com/

Additionally, check out the photographers of Australian photographer David Moore. He dedicated a lot of his work to photograph the Opera House from its construction days.

http://www.davidmoorephotography.com.au/soh.html

David Moore Photography