The conservatory : gardens under glass Elegant and magnificent conservatories reveal fascinating social cultural botanical and engineering advances as they have evolved across history. First appearing in the eighteenth century as simple structures designed to protect fruit trees and other delicate plants from harsh European winters conservatories became grand glass houses that spread across the European continent to the Americas and ultimately around the world.0Through evocative archival and contemporary photographs drawings of landmark structures and graceful accessible text The Conservatory celebrates the patrons and designers who advanced the technology and architectural majesty of these light filled structures. The importance of conservatories continues to grow with efforts to conserve phenomenal plants and their environments