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Secrets in Stone

Secrets in Stone

Cassie Coppersmith 19 Episodes May 30, 2026

Secrets in Stone explores the mysteries of the world’s ancient megalithic sites and what they reveal about our forgotten past.

Episodes

Cambodia's Lightning Pyramid of Ta Keo: Ancient Machine or Simple Temple?
Cambodia's Lightning Pyramid of Ta Keo: Ancient Machine or Simple Temple? May 30, 2026 00:23:42 Today we are exploring the mysterious "Lightning Pyramid" of Ta Keo in Cambodia — a massive five-tier structure built with an incredibly rare, ultra-hard sandstone that glows white at the top. The only pyramid in Cambodia made from this material. Official history says it was built in 975 AD, struck by lightning, and abandoned unfinished. But after walking the site and examining the evide
Megalithic Tarawasi with Brien Foerster: Peru’s Hidden Mystery (First Visit!)
Megalithic Tarawasi with Brien Foerster: Peru’s Hidden Mystery (First Visit!) May 11, 2026 00:31:42 🚨 Join me as I take you to one of Peru’s most intriguing and least-known megalithic sites — Tarawasi. In this episode, you’ll get on-the-ground footage of the site plus my exclusive sit-down interview with Brien Foerster right on the steps of Tarawasi — his very first visit. He shares his first impressions, thoughts on possible pre-diluvian origins, and comparisons to other megalithic sites across
Reassessing Ancient Cambodia: Live Presentation from the Quest for Ancient Civilizations Conference
Reassessing Ancient Cambodia: Live Presentation from the Quest for Ancient Civilizations Conference May 5, 2026 00:43:41 After traveling extensively in Cambodia and studying its ancient sites firsthand, I'm challenging long-held assumptions about Cambodia's ancient past. In my presentation at the Quest for Ancient Civilizations Conference, I shared mysterious LiDAR findings, Cambodia's lost ancient technologies and potential global connections long overlooked. I also answer great questions from the audie
The Buried Pyramid of Thailand & The Mystery of Si Thep
The Buried Pyramid of Thailand & The Mystery of Si Thep Mar 12, 2026 00:25:05 Deep in Thailand lies the ancient moated city of Si Thep,now a UNESCO World Heritage Site, surrounded by enormous earthworks, reservoirs, and more than one hundred ancient structures. But the most intriguing monument sits just outside the city walls — a pyramid that for centuries appeared to be nothing more than a natural hill.   Then archaeologists excavated the mound in 2008 anddiscovered a mass
Why Is The OLDEST Technology the Most Advanced? The Clovis & Ancient Megalith Problem!
Why Is The OLDEST Technology the Most Advanced? The Clovis & Ancient Megalith Problem! Jan 30, 2026 00:50:30 The Clovis point is one of the most extraordinary andmysterious Ice Age technologies ever discovered. It appeared suddenly, fully formed and with no developmental history. It was one of the fastest and widest technological dispersals in human prehistory… and it appeared immediatelybefore the Younger Dryas catastrophe. In this episode, I follow the Clovis story from itsdiscovery to its collapse, an
Koh Ker's HIDDEN 7-Tier Pyramid & Colossal Lingas: The Oldest Megalithic Site in Asia? - Part 1
Koh Ker's HIDDEN 7-Tier Pyramid & Colossal Lingas: The Oldest Megalithic Site in Asia? - Part 1 Dec 24, 2025 00:25:00 🚨 Hidden deep in Cambodia's jungle lies Koh Ker – an ancient megalithic city added to UNESCO in 2023 that's 7X bigger than Angkor Wat! Discover the massive solid stone 7-tier pyramid (Asia's tallest), colossal multi-ton lingas, a 7km dam creating Cambodia’s largest ancient reservoir, bizarre black-burned temples, a megalithic sanctuary and alignments linking this mysterious site to Ind
Vat Phou's Shattered Megaliths: Clues to An Ancient Catastrophe in Laos
Vat Phou's Shattered Megaliths: Clues to An Ancient Catastrophe in Laos Nov 26, 2025 00:21:00 Join me on a solo adventure to Vat Phou, a remote UNESCO site in southern Laos. This isn't your typical temple— it’s a lost megalithic sanctuary with serpent carvings and a peculiar crocodile stone, precision stonework, evidence of lost technology and signs of an ancient catastrophe that tilted boulders and reshaped the landscape. I'll walk you through the site's terraces, barays, and
Unearthed Truths: 5 Clues That FLIP Cambodia's Timeline!
Unearthed Truths: 5 Clues That FLIP Cambodia's Timeline! Oct 30, 2025 00:16:45 I've been digging deep into Cambodia's ancient history! What I’ve discovered has truly surprised me, and led me to believe that much of what we accept about Cambodia's ancient past could be COMPLETELY WRONG. In this episode, we cover the TOP 5 CLUES that could completely rewrite Cambodia's timeline: 1) Dating techniques that don’t tell the full story; 2) Cambodia’s many overlooked
Forgotten Angkor: LiDAR Reveals Hidden Technology
Forgotten Angkor: LiDAR Reveals Hidden Technology Sep 18, 2025 00:20:00 Angkor Wat is Cambodia’s most famous temple, but it’s just one piece of a massive ancient city and a sprawling empire that once covered parts of Cambodia, Thailand, Laos, and Vietnam. For centuries, jungles, settlements, and war hid the true scale of this civilization—until LiDAR surveys in 2012 and 2015 mapped 2,100 km², revealing an engineered landscape unlike anything from the pre-industrial w
Yemen's Hidden Megaliths Part 2: Baraqish, Awwam, Barran, and the Old Marib Dam
Yemen's Hidden Megaliths Part 2: Baraqish, Awwam, Barran, and the Old Marib Dam Aug 29, 2025 00:22:00 In the second and final episode of my new series on ancient Yemen, we will explore Yemen’s hidden megaliths. We’ll start with the ancient city of Baraqish, built on a massivemanmade mound, with its 14-meter high walls and monumental limestone. Next, we’ll explore the ancient sites of Awwam and Barran near Old Marib, both UNESCO World Heritage candidates, known for their grand pillars, intricate st
Yemen's Ancient Megalithic Mysteries Part 1 – Timna’s Cyclopean Architecture
Yemen's Ancient Megalithic Mysteries Part 1 – Timna’s Cyclopean Architecture Aug 8, 2025 00:18:00 In Part 1 of my new series on ancient Yemen, we will explore the ancient city of Timna. Timna’s ruins, constructed on a 65-acre oval-shaped mound, include massive granite cyclopean walls strikingly similar to sites found in Peru, Egypt, and apan. As a key center of the Qataban Kingdom on the Incense Route, Timna thrived on frankincense and myrrh trade, yet its monumental South Gate, Temple of Athi
Ethiopia's Ancient Megaliths Part 3: Lalibela's Rock-Hewn Churches & Mysterious Standing Stelae
Ethiopia's Ancient Megaliths Part 3: Lalibela's Rock-Hewn Churches & Mysterious Standing Stelae Jul 25, 2025 00:20:35 Join me for the finale of the Ancient Megaliths of Ethiopia series, where we will discuss the iconic rock-hewn churches of Lalibela—masterpieces carved directly from solid rock. This site is much more complex, and I believe substantially older, than we’re being told. I will share my theories in this episode! We’ll also venture into southern Ethiopia to explore fields of standing stones with carvin

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