It is the most well-known personal story to come out of the Holocaust, the journey of young Anne Frank, her family and friends who hid from the Nazis for more than two years before they were betrayed and discovered in their hiding place in Amsterdam and sent to concentration camps.

Now a new documentary, “Anne Frank’s Holocaust,” sheds new light on the story. The project premieres this Sunday, June 21, on National Geographic Channel.

Please click here to read an interview with the documentary’s director and executive producer, Erik Nelson, and to take a look behind the project along with TVWeek Open Mic blogger Hillary Atkin.