The Minneapolis Institute of Arts has its own Youtube channel with over 100 hundred videos uploaded so far. There's videos of specific pieces of art, previews of exhibitions, interviews with artists and museum staff, and much more. The videos can help you prepare for a field trip to the MIA or expand your knowledge of something you saw on your last visit.
This is a great resource for your audio-visual learners. It has that multimedia element that the Internet savvy child should enjoy. They're not wandering a "boring" art museum or paging through a mammoth art history tome, it engages them on another learning level.
Here's a video (part 1 of 2) about the period rooms in the museum's famous Asian art collection:
