This image posted on a militant website shows ISIS fighters marching in Raqqa, Syria, where the extremist group trains recruits, including Westerners. AP hide caption

Libya's Gen. Khalifa Hifter speaks at a news conference in Abyar, a small town to the east of Benghazi, on May 31. Hifter, a former military officer in Moammar Gadhafi's army, has has launched a self-declared campaign against Muslim extremists. This has won him both supporters and enemies. Esam Omran Al-Fetori/Reuters/Landov hide caption

Joan Rivers' other books include I Hate Everyone ... Starting With Me and Men Are Stupid ... And They Like Big Boobs. Charles William Bush/Courtesy of Berkley Hardcover hide caption

Over the past century and a half, visitors have traveled through Yosemite on foot, by carriage, by tram and by car. Now some regions will be once again be accessible only by foot, to protect delicate regions of the park. Courtesy Yosemite National Park Research Library/KQED hide caption

Susheela Raman, a London-based singer who draws upon her Indian roots. Courtesy of the artist hide caption

(Left) Mayan artisans from the Yucatan region hand-embroidered an armadillo onto this linen dress from Carla Fernández's Mayalands collection. (Right) This Fernandez dress is a traditional rebozo shape which honors the square root design of ancient patterns. Ramiro Chaves/Courtesy Isabella Stewart Gardner Museum hide caption