S: (n) Yellowstone National Park (the first national park in the United States; located in the border area between Wyoming and Montana and Idaho; spectacular wilderness; famous for Old Faithful geyser and for buffalo and bears)
S: (n) Snake, Snake River (a tributary of the Columbia River that rises in Wyoming and flows westward; discovered in 1805 by the Lewis and Clark Expedition)
S: (n) psychoanalysis, analysis, depth psychology (a set of techniques for exploring underlying motives and a method of treating various mental disorders; based on the theories of Sigmund Freud) "his physician recommended psychoanalysis"