Rosemoore Combi Greenhouse/Shed - Hobby Greenhouse Kits
Awesome collection of projects as well as tutorials on how to make your very own DIY greenhouse
Greenhouses from old windows - the White House
If the conservatory isn't in the budget for now, this greenhouse should make any gardener happy!
Recycled Glass Greenhouse
Build an Underground Year-Round Greenhouse for Only $300 — And Grow Food All Year Long
21 DIY Greenhouses with Great Tutorials - A Piece of Rainbow
Previous lean-to Greenhouse - note Jalousie windows for extra ventilation
This is the high top in The Potting Shed, it can seat groups of up to 22 people. #thegrounds
When to plant your vegetable garden.... When to plant what? Time to get started!