**_Indiana Jones three decades before the character existed_** An American adventurer in Cuzco, Peru, halfheartedly works as a tour guide, but his real interest is a priceless Incan artifact. He schemes to steal a Romanian official’s plane to make it to the lost city of Machu Picchu in the remote high country of the Andes, where he’s surprised to discover an archaeological dig is taking place. Robert Young plays the leader of the scientists. "Secret of the Incas" (1954) is an adventure flick that became the blueprint for Indiana Jones in the 80s, the first film of course being the…