[brandonjm]

There are plenty of others but these are some that have stood out to me.

SIGGRAPH has a VR Theatre where they show short VR films [1].

EyeJack is a platform for AR art, though you may need to visit an exhibit to see the actual art. [2]

[1] https://s2018.siggraph.org/conference/conference-overview/co...

[2] https://eyejackapp.com