Free, guided walking tour of the UAF Geophysical Institute, a world-renowned research center for the study of earth sciences and space physics. Areas of research include the Earth's geospace environment; volcanology; snow, ice, and permafrost; remote sensing; tectonics; atmospheric sciences; and seismology. The GI is home to the Alaska Satellite Facility, the Alaska Center for Unmanned Aircraft Systems Integration, the Poker Flat Research Range, and other major research facilities. A self-guided tour is also available during normal business hours, M-F, 8 am-5 pm. Pick up a tour guide in the Elvey Building lobby.