I have 4 paintings - landscapes that are a 'theme' although painted by different artists, they are enough alike to be hung together.
I have the San Francisco Photos taken by a friend, 4 SF Landmarks (Golden Gate bridge, Park Greenhouse (the old one), Trolley on Powell, and the Bay Bridge. She took the pictures herself, then set them inside a map of San Francisco. Sort of a reminder to me of 'good times' I guess.
In the Bedroom there are Comics and a few posters of Marvel comic heros. these are my exe's/roommates.
I also have a few chunks of interesting wood on one wall - burl woods from various types of trees. Thin sheets of cross sections of
burl.
IF I ever get around to building my house, it will be a cross between Mission Style (As in Church Mission/Spanish and Arts and Craft - I want the interior to be wood, with exterior walls being thick white plastered and visible post and beams. Interior walls stick framing with solid wood paneling (not that sheet stuff, solid wood that has been framed) Enough space to hang my nature paintings and my burl segments - but the majority of the walls would be blank. Think of a rustic lodge/cabin being rammed into a Spanish Mission... you get the idea of what I like.
I do so want a 60" high book shelf that runs around two to three walls of a room for my books. Just high enough to keep the books up, but not so high as to suffocate everyone. Top shelf (top of the book shelf) to display my other interesting crap....