The Inca were innovators in agriculture as well as engineering. Terracing like this, on a steep hillside in Peru's Colca Canyon, helped them grow food. Doug McMains/Smithsonian National Museum of the American Indian hide caption

itoggle caption Doug McMains/Smithsonian National Museum of the American Indian

Oscar Isaac and Carla Quevedo star in the HBO miniseries Show Me A Hero. Paul Schiraldi/HBO hide caption

itoggle caption Paul Schiraldi/HBO

Brewers from Draught Works and the Denver Beer Co. collaborate on making a huckleberry sour beer last weekend at the Draught Works brewery in Missoula, Mont. The beer was kettle soured before being added to the fermentation tank seen here. Courtesy of Draught Works hide caption

itoggle caption Courtesy of Draught Works
Archives of American Art, Smithsonian Institution Jackson Pollock and Lee Krasner's address book, circa 1950-1956 Jackson Pollock and Lee Krasner's address book, circa 1950-1956 Archives of American Art, Smithsonian Institution

Brazilian actor Wagner Moura looks so much like Colombian smuggler Pablo Escobar that Netflix's Narcos uses footage and photos of the real Escobar to heighten the show's realism. Daniel Daza/Netflix hide caption

itoggle caption Daniel Daza/Netflix

Paul Kingsnorth — seen here in front of his writing shed — used a crowdfunding platform to publish The Wake after mainstream houses didn't bite. Rich Preston/NPR hide caption

itoggle caption Rich Preston/NPR