The lost city of Thebes is the mysterious ancient Egyptian capital once home to a forbidden religious cult, and using cutting-edge archaeological technology, experts are making new discoveries that reveal the secrets of this strange and sacred place. This is a mashup of S04E06 "Egypt's Lost Skyscrapers," S03E03 "Forbidden City of the Pharaohs," and S02E09 "Mystery of Egypt's Mega Temple."

New archaeological evidence is revealing the treasures inside some of the world's most mysterious ancient mega tombs; using cutting-edge methods, experts uncover the violent history behind these tombs' construction. This is a mashup of S02E08 "Treasures of the Terracotta Army" and S02E01 "Tut's Buried Secrets."

New archaeological evidence is revealing the apocalyptic destruction caused by the ancient world's most infamous volcano: Pompeii; using cutting-edge technology, experts investigate how these lost cities suddenly met armageddon. This is a mashup of S05E05 "Pompeii's Evil Twin" (Baiae) and S06E02 "Vesuvius's Secret Victim" (Herculaneum).

New discoveries reveal the strange history inside America's most famous structures, and using hi-tech archaeological methods, experts investigate how these modern marvels set new engineering records. This is a mashup of S03E04 "Statue of Liberty: The New Secrets" and S05E02 "Empire State Building: The New Secrets."

The earliest Americans built giant pyramids and carved massive, alien-looking carvings into the deserts of Peru millennia ago; using cutting-edge archaeological methods, experts reveal the long-lost secrets of these mysterious and distant civilizations. This is a mashup of S03E02 "Lost Pyramids of the Americas" (Caral) and S05E01 "Mysteries in the Alien Desert" (Nazca Lines).

Cutting-edge archaeology is revealing the secrets of the world's most mysterious mummies. As experts make new discoveries that turn up fresh leads to millennia-old cold cases, they might finally understand who these people were and why they suddenly died. This is a mashup of S05E08 "Mystery of the Ice Mummy" and S04E03 "Pompeii's Doomsday Mummies."

New discoveries are revealing the secrets of the great lost cities of the ancient world. Using hi-tech archaeological methods, experts investigate why the marvels of these once prosperous civilizations now lie in ruin. This is a mashup of S06E13 "Lost Kingdom of Kush" and S02E12 "Lost City of the Desert" (Petra).

New discoveries reveal the strange truth inside the mysterious ancient marvels of Mexico's long-lost civilizations, and using the latest scientific methods, experts uncover the location of the lost treasures that are rumored to be inside. This is a mashup of S04E07 "Curse of the Jungle Treasure" (La Venta) and S02E02 "Curse of the Blood Pyramid" (Teotihuacan).

New discoveries reveal the truth behind the legends of ancient Greek warriors and their gods, and using the latest science and archaeological methods, experts recreate the battlefield innovations that changed the course of history. This is a mashup of S06E03 "Lost City of Troy" and S05E06 "Finding Sparta's 300."

Pyramids in the deserts of Sudan are the ruins of a powerful lost civilization that rivaled the pharaohs of ancient Egypt, and using cutting-edge tech and archaeological methods, experts are revealing the secrets behind the mysterious Kingdom of Kush.

New archaeological expeditions are unearthing long-lost evidence behind the legend of King Arthur, and using this cutting-edge tech, experts might finally be able to separate fact from fiction. This is a mashup of S02E06 "Hunt for King Arthur's Castle" (Stirling Castle in Scotland) and S06E12 "Rome's Great Wall" (Hadrian's Wall).

The Roman Empire built Hadrian's Wall to guard its frontiers at the edge of the world; new discoveries reveal who the Romans were trying to keep out with this 72-mile-long megastructure and what it tells us about the ancient people of Iron Age Britain.

Cutting-edge archaeological technology is revealing new secrets behind America's greatest heroes and most infamous villains; the fresh evidence uncovered at hi-tech investigations could change everything we know about these American icons. This is a mashup of S06E08 "Ghosts of the Wild West" (Tombstone's OK Corral) and S06E11 "Alcatraz's Hidden Secrets."

Alcatraz in San Francisco Bay is home to secrets that only cutting-edge archaeology can reveal, and using the latest science and the newest tech, experts search for hidden evidence to investigate why so many tried and failed to escape America's toughest jail.

Egypt's first pyramids set the groundwork for the kingdom's future engineering marvels, and using cutting-edge tech, experts travel back in time to investigate the mystery of why the Egyptians began building these strange structures. This is a mashup of S04E02 "Mystery of the Cursed Pyramid" (Bent Pyramid) and S06E10 "Hunt for the First Pyramid" (Step Pyramid at Saqqara).

A strange site called Saqqara is home to Egypt's very first pyramid, the Step Pyramid of Djoser, and here, experts use cutting-edge tech to reveal why the ancient Egyptians started building pyramids and if the mummified animals found here are evidence of a bizarre religious cult. 

The Seven Wonders of the Ancient World are the engineering marvels built by great minds of long-lost civilizations, but we're not sure if some even existed; new discoveries and cutting-edge archaeological methods might prove what they looked like and why they disappeared.

New evidence is revealing the dark secrets of relics unearthed from archaeology sites in China, and using the latest science and cutting-edge tech, experts might finally answer some of the greatest mysteries of long-lost Chinese civilizations. This is a mashup of S02E08 "Treasures of the Terracotta Army" and S04E04 "Secrets of the Forbidden City."

The gunfight at Tombstone's OK Corral turned Wyatt Earp into an American folk hero, and to find what really happened here, experts use the newest tech to discover what caused the fatal shootout and what it reveals about the dark secrets of the Wild West.

New discoveries reveal the truth behind the long-lost treasures of Ramses the Great, and using cutting-edge tech and the latest archaeological methods, experts are decoding these mysterious relics to uncover the secrets of Egypt's greatest pharaoh. This is a mashup of S02E09 "Mystery of Egypt's Mega Temple" (Karnak) and S04E08 "Ramses' Buried Treasures" (Abu Simbel).

The Leaning Tower of Pisa in Italy is one of the world's most iconic buildings, and it's also the site of an 800-year-old mystery; using cutting-edge tech, experts investigate the archaeological evidence to reveal when it might finally fall over.

New discoveries reveal the truth behind the long-lost treasures of Ramses the Great, and using cutting-edge tech and the latest archaeological methods, experts are decoding these mysterious relics to uncover the secrets of Egypt's greatest pharaoh. This is a mashup of S02E09 "Mystery of Egypt's Mega Temple" and S04E08 "Ramses' Buried Treasures."

The long-lost underground bunker of Adolf Hitler is home to some of the greatest secrets of the Nazi regime, and now, experts use cutting-edge tech to discover new evidence of Hitler's evil vision for global domination. The bunkers reviewed are the Führerbunker in Berlin, the Wolf's Lair in eastern Poland, and Project Riese (The Giant) under Książ Castle in southwestern Poland.

The latest discoveries are revealing hard evidence of the Bible's greatest stories, and these hi-tech investigations into newly unearthed artifacts are leading to archaeological breakthroughs in the Holy Land. This is a mashup of S05E07 "Dead Sea Scrolls: The Dark Truth" and S06E05 "Tower of Babel: The New Evidence."

The Tower of Babel is one of the most famous stories of the Bible, and to find out if it really existed, archaeologists use cutting-edge tech and the latest science to investigate how ancient engineers could have built such an extraordinary megastructure.

New discoveries at Stonehenge and other mysterious sites are revealing the secrets of the people who lived on Great Britain thousands of years ago; using the latest tech, experts might finally uncover why these strange structures were built. This is a mashup of S02E05 "Ghosts of Stonehenge" and S04E10 "Ghosts of the Stone Age" (Avebury, England).

New discoveries at America's greatest monuments are revealing their long-lost secrets; and using cutting-edge tech and the latest archaeology, experts find groundbreaking evidence that challenge everything we know about these mysterious places. This is a mashup of S03E04 "Statue of Liberty: The New Secrets" and S06E04 "Mount Rushmore: The Hidden Secrets."

Mount Rushmore in the Black Hills of South Dakota is one of America's most iconic landmarks, but there are dark mysteries behind its presidential faces. Experts use cutting-edge tech and the latest science to reveal what lies beneath the rock and the secret history of its creation. The Crazy Horse Memorial in the Black Hills is also featured.

New discoveries at long-lost ruins reveal the truth behind some of the greatest mysteries of the Greek world; and using cutting-edge tech and innovative archaeological methods, experts turning up groundbreaking evidence that could prove ancient myth. This is a mashup of S03E05 "Hunt for the Real Atlantis" and S06E03 "Lost City Of Troy."

Troy is the legendary lost city at the center of the Trojan War, but its existence has never been confirmed; new discoveries and cutting-edge science might prove if this place existed and if the Greeks really conquered it with the infamous Trojan Horse.

Pompeii is one of the most mysterious places on the planet, and just next door, the remains of a second abandoned Roman town, Herculaneum, pose new questions about what happened when Mount Vesuvius erupted; cutting-edge tech might have answers. This is a mashup of S04E03 "Pompeii's Doomsday Mummies" and S06E02 "Vesuvius's Secret Victim" (Herculaneum).

When Pompeii was destroyed by an apocalyptic volcano in 79 AD, another Roman town was destroyed, too; experts use cutting-edge tech to investigate the secrets of Vesuvius's second victim, Herculaneum, one of the most perfectly preserved Roman towns on Earth.

The lost city of Amarna is buried in the Sahara, and evidence reveals it's home to Akhenaten, Nefertiti, Tutankhamun, and Aten, the forbidden sun god of an outlawed religion. Experts use cutting-edge tech to uncover the secret doomsday that caused this strange place to disappear.