Will Okun, a teacher from Chicago, joined journalist Nicholas Kristof on a reporting trip to the Democratic Republic of the Congo to take photographs as part of his project to photograph African and African American people in everyday moments.
Former Jewish partisan Aron Bell discusses the Bielski brothers' determination to save Jewish lives during the Holocaust.
Erik Larson describes how the American ambassador chose to ignore Nazi abuses in 1933.
In 1681 Charles II granted William Penn the land comprising present-day Pennsylvania, which Penn made a refuge for persecuted English Quakers.
The Wong Family, originally from Wing On village in China, left their home and their land to build a new life in California. These photos reveal glimpses of how this family continued building on their past while growing across generations and continents.
A young girl walks home after buying a bottle of paraffin for cooking and heating on June 19, 2016 in Khayelitsha, South Africa. Informal settlements across the Cape Town experienced significant flooding after heavy rainfalls.
A portrait of the Polish poet and winner of the 1996 Nobel Prize in literature, Wislawa Szymborska, at the ceremony where she was decorated with the Order of the White Eagle of Poland, the highest decoration given to civilians in Poland.
Barbara Turkeltaub, a Jewish girl who was hidden by Catholic nuns during the war, describes witnessing a Nazi massacre.
Edith Reiss, from Bolton, England, describes witnessing antisemitic violence on the streets of Göttingen, Germany, when she was a visitor there in 1939.
Photograph (taken after the war) of the outdoor hiding place in the forest near Olomouc where Otto Wolf and his family hid during the Holocaust.
An unidentified black South African woman defiantly shows her passbook.