In 1935, Hitler’s Explorers Set Out On A Secret Quest To Begin A Colony On The Amazon River

Deep within Brazil’s Amazon rain forest, there’s a Nazi grave flanked by a towering cross with a swastika in a cemetery close to the isolated outpost of Laranjal do Jari. Inscribed on the cross in German is the name of Joseph Greiner who died there of fever on January 2, 1936 ‘in the service of German research.’

So what is it doing there? It’s the sole r…