Cold outside? Visit these hothouses for a warm, fuzzy feeling even on gray winter days.
Bananas, coffee and olives grow in the biomes at the Eden Project in Cornwall, England. These geodesic domes are among the biggest in the world, and from afar could be mistaken for a Martian colony.
The tropical house at the Kyoto Botanical Gardens is a staggering 4700 square meters in size. Japanese architects are currently planning to build one of the world’s biggest glasshouses in China – large enough to cover an entire valley in Hebei Province.