Smoke and mirrors: Dave Arnold plays around with liquid nitrogen in a cocktail glass during his interview with NPR's Ari Shapiro. Claire Eggers/NPR hide caption

itoggle caption Claire Eggers/NPR

World Shattered, a cocktail by Tyler Fry of the Chicago bar The Violet Hour. The drink includes R. Franklin's Original Recipe Malort, and tames the bitterness with lemon, honey syrup, raspberry and mint. Courtesy of Eden Laurin hide caption

itoggle caption Courtesy of Eden Laurin

Bartender J.P. Fetherston demonstrates his shaking technique while making a pisco sour at Rappahannock Oyster Bar in Washington, D.C. Karen Castillo Farfán/NPR hide caption

itoggle caption Karen Castillo Farfán/NPR

Alexandra Bookless, head bartender at The Passenger, suggests starting off with Fernet in a cocktail like the Hanky Panky. Bill Chappell/NPR hide caption

itoggle caption Bill Chappell/NPR