Free virtual tours of 2,500 museums around the world
FWIW, I created a tool that automagically walks through a Google street view (originally done for road trips through cities). I've now added some of those museums. I leave it running and occasionally look where it has led me to --> <a href="https://roadtraveller.herokuapp.com/" rel="nofollow">https://roadtraveller.herokuapp.com/</a>