Some are rumours or false stories
Ancient Greeks and Roman historians recorded that during the siege of Syracuse in 212 BC, Archimedes constructed a burning glass to set the enemy Roman warships on fire. They call this contraption the death ray.
some of the Incas used camels/lamas to transport the trade across their dirt road is you look on google maps you can see their roads
I Mexican cowboy is called a charro
charreada is a rodeo