Iñupiaq men in qayaqs, Noatak, Alaska, circa 1929. Edward S. Curtis Collection, Library of Congress Digital Collections.

Crossing the Chilkoot Pass, circa 1898. Courtesy Candy Waugaman and Klondike Gold Rush National Historical Park.

The Gold Rush boomtown of Nome on the Seward Peninsula, 1900. Courtesy of U.S. Geological Survey Photographic Library.