Tankers are berthed beside the Fawley oil refinery on Jan. 7, in Southampton, England. With low oil prices, some traders are buying oil and storing it in tankers, hoping the price will rise soon so they can sell it at a profit. Matt Cardy/Getty Images hide caption

itoggle caption Matt Cardy/Getty Images

A postcard of Junipero Serra from around 1915. Pope Francis recently announced that he will canonize Serra when he travels to the U.S. this fall. Lake County Museum/Corbis hide caption

itoggle caption Lake County Museum/Corbis

Can you find Australia and Canada? The cartogram, made by Reddit user TeaDranks, scales each country's geographic area by its population. (Click through to see the high-resolution map.) TeaDranks/via Imgur hide caption

itoggle caption TeaDranks/via Imgur