Lost Ancient Technology of Peru and Bolivia

Lost Ancient Technology of Peru and Bolivia examines archaeological evidence of sophisticated stone engineering in pre-Columbian South America. The book focuses on sites like Puma Punku, Cusco, and Ollantaytambo to document examples of advanced technological achievements. Author Brien Foerster presents photographic documentation and analysis of precise stone cutting, massive block transportation methods, and architectural features found at various archaeological locations. The text includes measurements, observations, and comparisons between different sites to explore questions about the builders' capabilities. The investigation incorporates local oral histories and colonial Spanish accounts alongside physical evidence from the structures themselves. Technical details about stone working techniques, tools, and engineering principles comprise much of the book's content. The work challenges conventional archaeological timelines and raises questions about the development of technology in ancient civilizations. Its documentation of megalithic architecture invites readers to reconsider assumptions about prehistoric human capabilities.

Readers report the book contains detailed photographs and measurements of ancient stone structures, with a focus on pre-Inca megalithic sites. Many appreciate Foerster's first-hand documentation and technical analysis of tool marks, precision cuts, and construction methods. Liked: - Clear photos and diagrams - On-site measurements and observations - Focus on engineering aspects rather than speculation - Documentation of lesser-known archaeological sites Disliked: - Writing style called "repetitive" and "disorganized" by multiple reviewers - Limited historical context provided - Some claims made without sufficient evidence - Poor editing and formatting noted by several readers Ratings: Amazon: 4.3/5 (127 reviews) Goodreads: 3.8/5 (48 ratings) Sample review: "Great photos and fascinating sites, but reads more like rough field notes than a polished book. Needed better organization and editing." - Amazon reviewer Several readers noted the book works better as a photo documentary than a traditional historical text.

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🏺 Brien Foerster's research focuses heavily on the megalithic sites of Puma Punku and Tiwanaku, where stone blocks weighing up to 130 tons were precision-cut using techniques that remain unexplained. 🗿 The author explores evidence of ancient stone-softening technology, including a mysterious plant-based liquid that may have been used to temporarily soften stone for easier cutting and shaping. 🏗️ The book examines the remarkable "knob protrusions" found on many ancient Peruvian and Bolivian stone blocks, which some researchers believe were created to help lift and transport massive stones using now-lost technology. 🔍 Foerster documents numerous examples of advanced ancient metalworking, including perfectly drilled holes through extremely hard stone that would challenge even modern diamond-tipped tools. 🗺️ The author has spent over 25 years studying South American archaeological sites and works closely with indigenous elders who maintain oral traditions about the regions' ancient technological capabilities.