Every year in downtown Las Vegas, often called "Old Vegas," The Burlesque Hall of Fame reunion brings together members of the League of Exotic Dancers, one of the earliest unions for women in exotic entertainment, to perform their half-century-old routines. In this annual tradition, performers from the golden age of Vegas burlesque rally counter-culture neo-burlesque fans who both keep the tradition alive and add new meaning to it.

Over the past four years, documentarian Kaitlyn Regehr and photographer Matilda Temperley have embedded themselves within this community-a group, which like...