A portrait of then-Sen. Warren G. Harding a few years prior to being elected president in 1920. Harding typically ranks near the bottom of U.S. presidents — but a steamy trove of love letters is putting him back in the public eye. Library of Congress hide caption

itoggle caption Library of Congress

Interns who host tours on Capitol Hill, stopping at sites like the small Senate rotunda, don't always have their facts straight. The Architect of the Capitol hide caption

itoggle caption The Architect of the Capitol

All Is Lost (1923), in which two lovebirds struggle to get the bride's family's approval to marry, was screened and identified at 2013's Mostly Lost workshop. Nitrate Film Interest Group/Flickr hide caption

itoggle caption Nitrate Film Interest Group/Flickr

During the Apollo 12 mission, astronaut Alan Bean holds a container of lunar soil. The astronaut Charles "Pete" Conrad, who took the photograph, is reflected in Bean's faceshield. Bean says he used to think that in his lifetime, we'd build a base on the moon and start preparing to travel to Mars. Hulton Archive/Getty Images hide caption

itoggle caption Hulton Archive/Getty Images

The vintage boats of Argentario Sailing Week, some more than a century old, plied the waters off Italy's Tuscan coast, known for its ideal sailing conditions. Sylvia Poggioli/NPR hide caption

itoggle caption Sylvia Poggioli/NPR