Also not my specialty, but I did a lot of Conquest-era history during my undergraduate, so I know a bit of the historiography.
If you're interested in the Mexican example, Broken Spears: The Aztec Account of the Conquest of Mexico might be what you're looking for. It comprises translations of Nahuatl-language accounts of the Spanish Conquest. Here's a link to a short review for more information.
Hey there, I really liked Kim MacQuarrie's Last Days of the Inca, it may be what you are looking for!
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Chris Dunn: The Greek did it, renaissance artist did it, modern artist do it. 5 axis CNC mills can do it.
Cuzco: People have written books about those walls, there is no major mystery involving the construction and masonry. https://www.amazon.com/Inca-Architecture-Construction-at-Ollantaytambo/dp/0195070690
ummm... both of those book titles are the same link. Only able to access "Hunters, Herders, and Hamburgers: The Past and Present of Animal Human Relations."
Here: http://www.amazon.com/The-Great-Divide-Nature-Human/dp/0061672467
For the history of the Incas:
The Last Days of the Incas by Kim McQuarrie is really excellent.
The Conquest of the Incas by John Hemming is also very good.
It's been atleast 10 years since I've read 'Aztec', but I remember having the same urge to find similar books. In fact, it was this book that got me started in historical fiction (like you, my favorite genre).
Recently I came across The Last Days of the Incas, a true account of the Spanish conquest of Peru. Yes, it's non-fiction, but at times reads like a 'must find out what happens next' thriller. Many of the details of 'Aztec' have now faded from my memory, but I don't think I will ever forget the real history of the Incas as told in this account.
As for other historical fiction, the Master and Commander series by Patrick O'brian is outstanding. Action, adventure, deep characterization, historical accuracy and detail. The nautical terminology can be daunting at first, but the books become even more enjoyable once you learn some of it.