Calgary, Alberta, Canada

Marathon's Oil Sands Mining headquarters is located in Calgary.

Calgary is the largest city in the province of Alberta, and one of the fastest growing cities in Canada. Set in the rolling foothills of Alberta against the majestic Canadian Rockies to the west and the great plains to the east, Calgary offers visitors the best of two exciting worlds - stimulating big city life and wilderness adventure.

Calgary's attractions, performing arts and professional sports teams are guaranteed to keep the whole family entertained. Experience the excitement of a young, richly vibrant city in the heart of the west - a combination of unspoiled mountain playground and cosmopolitan style. Wide-open blue skies, sunshine and moderate climate beckons outdoor enthusiasts with four-season adventure.