Dioramas are great, especially the grand military museum kind. However, a Trinidad-Canadian artist Talwst has gone the opposite direction and is making miniature dioramas inside vintage ring boxes.
Shadow box "forest" - this would look really cool as a series of stacked boxes too, with the forest continuing - I think I'd have to put a little butterfly in there (maybe tea-stained paper) or a little nest or bird - this one is full of owls:
Create a Snow-Kissed Forest in Minutes DIY Christmas Shadowbox
Make a Diorama Step 5 Version