A bull caribou approaching the Park Road near Highway Pass in Denali National Park, Interior Alaska PacificStock
Antique fish Galaxias Maculatus South Pacific Fishes by Frank Edward Clarke 1849-1899. IStockHistory com
Royal Canadian Northwest Mounted Policemen On Horseback Dawson Yukon Territory Canada - circa 1917 Canadian Retro
Noah Burmeister runs up hill after leaving Puntilla Lake and the Rainy Pass Checkpoint during Iditarod 2016, Alaska. PacificStock
Owlet Nightjar Aegotheles nova-hollandie illustrated by Elizabeth Gould 1804–1841 for John Gould’s 1804-1881 Birds of Australia IStockHistory com