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10 Greenhouses Around the World

City Winter Garden

In the capital of Finland, Helsinki, the city's center offers a green oasis during the frigid winter months. The City Winter Garden houses more than 200 different plants inside the three distinct rooms of the greenhouse [source: City of Helsinki, Public Works Department].The palm room is home to palms as well as the oldest plants in the greenhouse, more than hundred-year-old camellias. To catch the camellias' blooming, visit from October through February [source: VisitHelsinki]. The western room holds cycads and palmettos, while the last room is filled with cacti and other desert plants [source: City of Helsinki, Public Works Department].

For the next greenhouse, we travel far south to India.