Arctic-Alpine Botanical Garden, Tromsø, NORWAY. The Arctic-Alpine Botanical Garden (Arktisk alpin Botanisk hage) is the most northern botanical garden in the world and home to an impressive display of Arctic and alpine plants from across the globe. Opened in 1994, the garden is run by the Tromsø University Museum and aside from the Arctic collection it features plants from the Himalayas, South America and even Africa.