The Tinkering Studio website from the Exploratorium in San Francisco is billed as "Experiments with art, science, technology, and delightful ideas." It does not disappoint, and visitors may wish to make a special trip to San Francisco to see the Exploratorium in action after some time on the site. A good place to start is the Artists area. Visitors can learn about artists who've been inspired by...

This Website "contains over 10,000 digital reproductions of European paintings and sculptures created between the years 1150 and 1800" supplemented with commentary on their technique and history. The site has been online since 1996, but updates regularly, adding images, works of new artists, and new commentaries as well as revising commentaries on previously featured artists such as Andrea del...