![](https://www.historynet.com/wp-content/uploads/2021/03/sigmaringen-castle-germany-1944-scaled.jpg)
France’s collaborationist Vichy government retreated en masse to a dramatic cliffside stronghold in Sigmaringen, Germany, in 1944 as the Third Reich’s fortunes on the Western Front crumbled. (Albert Harlingue/Roger Viollet via Getty Images)
Albert Harlingue/Roger Viollet via Getty Images