Ah yes—as the saying goes: “keep your friends at the Bayes-optimal distance corresponding to your level of confidence in their out-of-distribution behavior, and your enemies closer”

This video on the Great Attractor, which is pulling our galaxy towards it, gives a nice overview of superstructures: https://youtu.be/0w4OTD4L0GQ

See this excellent video on the scale of the cosmos: https://youtu.be/4iC9Qi3y9q8

And this one on how the universe would meet its fate at the hands of Dark Energy: https://youtu.be/fdFf5PRPE9g

This one on the emptiness of the universe is quite fascinating as well: https://youtu.be/BCjWmfWq0pU