"This is the legacy of our people," my uncle said as we gazed at the pyramids. We were not in Egypt, but rather in the town of Tzintzuntzan, in Mexico's south-western state of Michoacán. The pyramids, or yácatas, looming in front of us were uniquely round and made of volcanic stone – perhaps the most intact relics of the P'urhépechas, a pre-Hispanic indigenous group that once reigned here, but that most people have never heard of. In fact, I'd never heard of them either until a...

"This is the legacy of our people," my uncle said as we gazed at the pyramids. We were not in Egypt, but rather in the town of Tzintzuntzan, in Mexico's south-western state of Michoacán. The pyramids, or yácatas, looming in front of us were uniquely round and made of volcanic stone – perhaps the most intact relics of the P'urhépechas, a pre-Hispanic indigenous group that once reigned here, but that most people have never heard of. In fact, I'd never heard of them either until a...