Roads without wheels (Landmark Media, 1989)
Title from resource description page (viewed Mar. 12, 2014)
Isolated from the rest of the world, the South American Indians produced their own remarkable range of food plants, later introduced to the other continents. They invented the wheel but used it only on toys, never for transport. Their dazzling metal-working, particularly in gold, silver and platinum, was unique and astonishing in its technique and imagination