Now that we can use the internet to access almost anything you’d want to see and/or hear, we should make museums that archive different smells. You could find new smells you might have not experienced otherwise, or find some nostalgic smell to bring you back to a moment in your past.
I believe these actually exist in some form!
The ones I’ve read about in the past are more art exhibitions than a conventional museum, but have a look and see if there’s something like that near you!