Open Culture online
Explore the Biennale Arte 2015.
Virtual tour and images via the Google Cultural Institute: www.google.com/culturalinstitute/project
These links are primarily for anyone who is yet to discover the expanding wealth of freely available online information and imagery:
Download Over 250 Free Art Books From the Getty Museum http://goo.gl/1fE0OS
Free Art & Images, Music, Textbooks, Audio Books, eBooks, Language Lessons, Movies, Courses, etc: www.openculture.com