alexander one of the more of our series on tomorrow today we want to see what he saw to experience what drove him a journey through latin america following in the footsteps of the great scientist the journey continues from the deserts of peru to the fascinating underwater world of the humble. tomorrow today next on c w. the powerhouse turns 100. 100 years of modernist architecture. 100 years of functionalism and purism. what s behind the legend. we asked the experts about the back. in 60 minutes on t.w. . much of it. surely is from