The Incas. The Incas ruled a vast empire stretching the length of the world's longest mountain range, the Andes, years ago. In it they built magnificent temples and fortresses out of blocks of stone. Here, ateamofexpertstryto resolve some of the mysteries surroundingtheir remarkable feats of engineering. Narrated by Art Malik. See today's choices.
Producer Michael Barnes ; Executive producer
Robin Brightwell