The community of Chögyam Trungpa originated in 1970 with his arrival in North America from Scotland. The first established center of his teachings was "Tail of the Tiger" in Barnet, Vermont (now Karmê Chöling). When he began teaching at University of Colorado Boulder in 1971, a second branch of the community began to form there. When Vajradhatu was incorporated in Colorado in 1973, it consolidated Tail of the Tiger, Rocky Mountain Dharma Center, a retreat facility in the Rocky Mountains in Colorado; and Karma Dzong, an urban meditation center in Boulder. The organization grew to include Gampo Abbey in Nova Scotia and dozens of smaller meditation centers called Dharmadhatus in cities around the US, Canada and later in Europe.