Home of a permanent exhibit on the history of the Nazi movement in Germany. Originally it was to be the “Congress Hall” for the Nazi rally grounds, but it was never completed:
It was consciously modeled on the Roman Colosseum. Here is a view of the unfinished interior:
Like a number of Nazi constructions, it was done very hastily. Note the random mixture of bricks:
The Nazis took over Germany in what seems like an inexplicably short time. The party started around 1920; in 1933 Hitler was named Chancellor by von Hindenberg, and in within a few years Germany was a totalitarian state bent on world conquest.