Unseen: The Cathedral of Light at Nazi Rallies, 1937

A captivating view of the Nazi rally bathed in the 'Cathedral of Light,' 1937.

The awe-inspiring 'Cathedral of Light' effect, brilliant from within the design and on the outside, 1936.

Iconic Nazi flags prominently surrounding the rally venue, 1936.

The 'Cathedral of Light' was prominently documented in the Nazi propaganda film 'Festliches Nürnberg,' released in 1937.

Historian Kathleen James-Chakraborty describes the 'Lichtdom' as ‘the single most dramatic moment of the Nazi Party rallies,’ 1936.

Adolf Hitler addressing the massive crowds from the podium within the Cathedral of Light.

Architect Albert Speer’s description of the effect: ‘The feeling was of a vast room, with the beams serving as mighty pillars of infinitely light outer walls.’

The powerful searchlights, borrowed from the Luftwaffe, led to notable disputes with commander Hermann Göring.

Hitler delivering an impassioned speech at the Nuremberg rallies, illuminated by the Cathedral of Light, 1937.

The historic Zeppelinfeld, the chosen location for the infamous Nazi Party rallies, 1937.

Later, the same powerful searchlights were repurposed during the war to highlight enemy airplanes for anti-aircraft fire at night.