Learn how geology and physical geography are intertwined and explore the wonders of the Pacific Northwest. Washington, Oregon, Idaho, Alaska, western Montana, and northern California are a unique part of the United States known for its explosive volcanoes and earthquakes. The region has everything from glaciers and tundra to mighty rivers and the only temperate rainforest in the United States.

Learn how geology and physical geography are intertwined and explore the unique setting of the Great Plains and the Rocky Mountains. The region includes the states of Montana, Wyoming, Colorado, North Dakota, South Dakota, Nebraska, Kansas, Minnesota, Iowa, Missouri, Wisconsin, Illinois, Michigan, Indiana, and Ohio-