My greenhouse is a little 4x8 foot affair with a wooden frame covered in landscape plastic. It does great for the tomatoes, basil, and lemongrass I grow in there. My plan is to raise the height on one side to create a roof angle to catch more sunlight and to shed the rain better (I've only got a very small angle now). Not a very impressive greenhouse at the moment, but in my dreams I will have one like this:
Here are some other styles:
My husband has built some greenhouses like this one, attached to the home, sometimes doubling as a sun room.
Another one like my husband has built for clients.
This one looks awesome!
This is a traditional conservatory or sunroom, usually found attached or built onto British homes.
Now this is a very modern conservatory, more of a glass room than a conservatory.
Here are some of the traditional styles of conservatories.
I would love a conservatory or sunroom attached to my house for these long Oregon winters!