PBS America (Freeview) Tuesday

A look at animals' defensive strategies, including the act of self-sacrifice or risk of harm that typifies a mother's defence of her offspring

Using 3D scanning technology, Alexander Armstrong and Dr Michael Scott uncover the hidden history of three Italian cities, beginning with Naples

Dan Jones, Suzannah Lipscomb and Rob Bell take a look at the Great Fire of London by walking the route the fire took across the city, hour-by-hour and street-by-street

Exploring more than a century of racial segregation and racism, an account of the secret history of the Ku Klux Klan beginning with its creation in 1865. Part one of two

A three-part documentary drawing upon restored and colourised archive film to chart Joseph Stalin's rise from humble origins to the most powerful man in Russia

Using 3D scanning technology, Alexander Armstrong and Dr Michael Scott uncover the hidden history of three Italian cities, beginning with Naples

Dan Jones, Suzannah Lipscomb and Rob Bell take a look at the Great Fire of London by walking the route the fire took across the city, hour-by-hour and street-by-street

Exploring more than a century of racial segregation and racism, an account of the secret history of the Ku Klux Klan beginning with its creation in 1865. Part one of two

A three-part documentary drawing upon restored and colourised archive film to chart Joseph Stalin's rise from humble origins to the most powerful man in Russia

Dan Jones, Suzannah Lipscomb and Rob Bell take a look at the Great Fire of London by walking the route the fire took across the city, hour-by-hour and street-by-street