10. Calgary, Canada It is one of the cleanest in the world today. People are fond of sports, in the colder months, tourists and residents can choose to ski, snowboard or luge; in the summer months people can go biking in the trails or go water skiing at the Predator Bay Water Skiing club.
Golfers can also get their green in Calgary.
The city is also home to centers of arts and culture like the Olympic Plaza in the Arts District, the Calgary Public Library and the Alberta Ballet Center.