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

itoggle caption AP

This installation at the Tower of London will ultimately feature 888,246 ceramic poppies, honoring the soldiers from Britain and the British colonies who died in World War I. Rich Preston/NPR hide caption

itoggle caption Rich Preston/NPR

Revelers dance in their pajamas at Morning Gloryville in London in January. The nightclub, which holds a rave once a month beginning at 6:30 a.m., has inspired morning raves in a number of other cities around the world. Andrew Winning/Reuters/Landov hide caption

itoggle caption Andrew Winning/Reuters/Landov

Matilda is currently being performed on both Broadway in New York, pictured here, and the West End in London. In New York, according to the Broadway League, the average ticket price for all shows just crossed $100 for the first time. Joan Marcus/AP/Boneau/Bryan-Brown hide caption

itoggle caption Joan Marcus/AP/Boneau/Bryan-Brown