With suspension bridges and ramrod-straight roads laid out by ancient surveyors, the road functions as a kind of map of Inca ambitions, an eternal landmark imposed by a preliterate society that ...

I walked segments of what was once a 24,000-mile network of roads ... the Andes—bridges so awe-inspiring that upon seeing them, neighboring peoples would sometimes submit to the Inca without ...

Men aged 15 to 50 were required to donate a portion of their time to the empire’s various construction projects, everything ...

the Inca needed roads. When the landscape proved too inhospitable for stone, they used straw, constructing beautiful bridges like the Keshwa Chaca bridge – which is still in use today.