Serious plant lovers will love the University of British Columbia. The prime attraction on campus, besides the must-see Museum of Anthropology , is the 28-hectare (69-acre) UBC Botanical Garden, home to more than 10,000 species of trees, shrubs, and flowers grouped into a B.C. native garden, a physic (or medicinal) garden, a food garden, and several others. You can also peruse the excellent plant and seed store (Note: You can't bring plants in soil across the U.S. border, or back into most countries, including the U.K.). Give yourself at least an hour if you want to explore this garden; an audio guide is available for C$4 (US$3.40/£1.80). The garden is free from mid-October to mid-March.