TV Guide PBS America Thursday

Paul Murton embarks on his most difficult journey to date as every destination has been long abandoned by people, meaning there are no ferries, piers or proper landing stages. He visits the once-inhabited island of Heisgeir, sails around the gannet haven of Sula Sgeir and endures rough seas to make landfall on the extraordinarily remote island of North Rona

How the German Siegfried Line and the French Maginot Line protected their countries during the Second World War by using modern technologies, which proved to be a fight between the two most sophisticated defence systems at the time

Part two of two. Jonathan Petropoulos investigates Nazi art dealer Bruno Lohse's life in post-war America. Dealing in looted art, he became an invisible hand, even as the original owners' families sought the return of works rightfully theirs. Featuring an archive interviews with Lohse himself, as well as curators, investigators and descendants of the victims of Nazi art theft

Documentary examining the chain of events that led to the maritime disaster in April 1912, when the ship struck an iceberg in the north Atlantic and went down with around 1,500 passengers and crew. From the procedure for fixing rivets into the ship's bows, the delays in its construction that pushed the maiden voyage into perilous iceberg season, and the astonishing fact that the lookouts on watch that fateful night had no access to binoculars, this film reveals the 10 key mistakes that conspired to sink the supposedly unsinkable Titanic