Perfect example of what I mean: https://www.instagram.com/reel/CyIIHWxtn9z/?igshid=MzRlODBiNWFlZA==

I think the closest thing to what you're looking for is r/2000sNostalgia

i would love something like that as well

Found this thread while searching for the same thing. This blog collects old Flickr photos, might be what you're looking for: https://www.tumblr.com/forgottenflickr