Google Arts and Culture

Google Arts and Culture is a website that has "experiments" such as the blob opera that allow you to manipulate different sounds and learn about climate change. It has a variety of different 360 videos that you can learn about different places and items i.e. dinosaurs. It even has collections for historical events and historical people. There is an app that is compatible with this. It will be loaded onto the iPads that is is compatible with. There are some AR features with this as well.  

 https://artsandculture.google.com/