PBS America (Freeview) Tuesday

Maiya May explores heat in Portland, Oregon, and Medellín, Colombia, a city that is leading the revolution against sweltering city temperatures

A network of tunnels built by George IV underneath Brighton's Royal Pavilion as he had grown so fat that he wanted to visit his beloved horses unobserved by cruel critics

Robert Bartlett examines the impact of the conquest of Britain and Ireland, and the methods used by William the Conqueror to keep the opposition at bay

Part two of two. The story of Franklin Roosevelt's leadership in the Second World War through stories of the women who sustained him in his final years

Veteran pilot Rod Snider recounts the story of 20 elite firefighters who parachuted into the Idaho wilderness to put out a wildfire burning on a mountain ridge

A network of tunnels built by George IV underneath Brighton's Royal Pavilion as he had grown so fat that he wanted to visit his beloved horses unobserved by cruel critics

Robert Bartlett examines the impact of the conquest of Britain and Ireland, and the methods used by William the Conqueror to keep the opposition at bay

Part two of two. The story of Franklin Roosevelt's leadership in the Second World War through stories of the women who sustained him in his final years

Veteran pilot Rod Snider recounts the story of 20 elite firefighters who parachuted into the Idaho wilderness to put out a wildfire burning on a mountain ridge

Robert Bartlett examines the impact of the conquest of Britain and Ireland, and the methods used by William the Conqueror to keep the opposition at bay