The book presents a critical examination of Mexican history, religion, and geography, grounded in the author's travels across the country from the Gulf coast to the interior tablelands. The narrative begins at Vera Cruz, detailing the formidable environment of the port, the yellow fever, and the deep-rooted corruption within monastic orders as observed through historical records. The journey continues along the great national road to Jalapa, celebrated for its natural fertility, and onward to the historic heights of Perote and the plains of Puebla. The author analyzes the pyramid of Cholula, stripping away romanticized accounts of pre-Columbian civilization to offer a more grounded, ethnographic view of native society.
Extensive historical sketches trace the rise and fall of political figures like Santa Anna and the destructive rivalry of secret Masonic societies. The narrative explores the physical geography of the Valley of Mexico, re-examining the lakes, causeways, and chinampas to challenge common historical myths regarding the Aztec empire and the Spanish conquest. Finally, the text contrasts the unstable social and political fabric of nineteenth-century Mexico with the emergent Anglo-Saxon civilization in California, concluding with reflections on the enduring power of superstition and the complex interplay between church and state in Mexican society.