Photo by Pavel Izbekov John Eichelberger leads a group of students to the rim of the Katmai caldera in the 2011 International Volcanological Field School. To get there, students must traverse the top of a glacier, insulated by a thick layer of pumice from the massive 1912 eruption of the volcano.
Photo by Jeremy Mathis A monitoring buoy outside of Resurrection Bay in the Gulf of Alaska.
The Grand Prize winner of the KUAC Red Green Regatta in 2011 was the "Awesome Possum" captained by Joy Van Dyke. This vessel will carry Steve Smith, a.k.a. "Red Green," star of public television's "Red Green Show," in the Golden Days Parade on Saturday.