You can either paint them and make them look rustic looking or cover them in carpet or what we did one time was picked up a lot of wooden pallets and ripped them apart...laid them down for a very rustic look, drilled holes where the nails/screws go and then put wooden plugs on top of the screws … sanded them and then stained them in our choice of colour. We had many compliments on our finished project.
Hello! I've listed some information for you to give you some ideas what you can do with your wood floors!
Johnny, you can paint, cover with carpet, lay tile, etc...Here are some videos that may give you ideas. I hope this helps you.
Why can't you refinish the floors? Most of the other suggestions advise some sort of refinishing.