Mayan City of Blood
Episode: 1x01 | Airdate: Jul 5, 2016 (45 min)
In Mexico, the lost city of Chichen Itza holds ancient secrets of a strange civilization. How was it was built and how did human sacrifice shape it?
Episode: 1x01 | Airdate: Jul 5, 2016 (45 min)
In Mexico, the lost city of Chichen Itza holds ancient secrets of a strange civilization. How was it was built and how did human sacrifice shape it?
Episode: 1x02 | Airdate: Jul 12, 2016 (45 min)
The Great Pyramid of Giza is one of the last surviving monuments of the ancient world. Scientists and archaeologists unlock the secrets of its construction
Episode: 1x03 | Airdate: Jul 19, 2016 (45 min)
The biggest man-made structure on Earth, the Great Wall of China, is one of its biggest mysteries. What are the secrets of one of history's greatest empires?
Episode: 1x04 | Airdate: Jul 26, 2016 (45 min)
The Acropolis has overlooked Athens for thousands of years. Now scientists aim to reveal how it was built, what it looked like, and how it's still standing.
Episode: 1x05 | Airdate: Aug 2, 2016 (45 min)
A medieval engineering marvel may house the remains of the Bible's Three Magi. Scientists and experts delve into the mysteries of this religious site.
Episode: 1x06 | Airdate: Aug 9, 2016 (45 min)
Westminster Palace is one of the most iconic structures on the planet. What Victorian secrets and mysteries are hiding behind this famous landmark?
Episode: 2x01 | Airdate: May 23, 2017 (45 min)
New finds explore the secrets of Tutankhamun's tomb. Experts reveal how his untimely death, calamitous burial, and an act of God made a minor king so iconic.
Episode: 2x02 | Airdate: May 30, 2017 (45 min)
Giant pyramids at a site in Mexico reveal the secrets of a civilisation that vanished 1,400 years ago. Shocking new discoveries suggest human sacrifice.
Episode: 2x03 | Airdate: Jun 6, 2017 (45 min)
New technology reveals the truth behind the largest temple ever built, Angkor Wat. Experts uncover how it was constructed and why it was deserted.
Episode: 2x04 | Airdate: Jun 13, 2017 (45 min)
Recent forensic findings expose secrets of the great Sphinx at Giza, revealing which pharaoh commissioned the huge statue and why it was never finished.
Episode: 2x05 | Airdate: Jun 20, 2017 (45 min)
New discoveries reveal the deepest secrets of the Stonehenge, showing how ancient magic, bizarre rituals, and brutal murder built this strange monument.
Episode: 2x06 | Airdate: Jun 27, 2017 (45 min)
A castle in Scotland may be the home of King Arthur's Round Table. Can the discovery of a disfigured skeleton reveal its secrets and rewrite history?
Episode: 2x07 | Airdate: Jul 11, 2017 (45 min)
The lost city of Machu Picchu is one of archaeology's biggest enigmas. Can secret Inca codes and deformed skeletons reveal its ultimate mystery?
Episode: 2x08 | Airdate: Jul 18, 2017 (45 min)
Dark secrets surround The Terracotta Army. Newly-found artefacts reveal the soldiers' supernatural enemy and ancient China's violent origins.
Episode: 2x09 | Airdate: Jul 25, 2017 (45 min)
The Egyptian site of Karnak was once the ancient world's largest religious complex. Human remains tell the story of a new religion that changed Egypt.
Episode: 2x10 | Airdate: Aug 1, 2017 (45 min)
Scientists reveal codes telling a shocking story of power and betrayal in the Indian ode to love, challenging commonly-held beliefs about the Taj Mahal.
Episode: 2x11 | Airdate: Aug 8, 2017 (45 min)
Archaeologists uncover the secret lives of the gladiators and make new discoveries that help explain the rise and sudden fall of the Roman Empire.
Episode: 2x12 | Airdate: Aug 15, 2017 (45 min)
New technologies resurrect the ancient city of Petra, which has baffled experts for decades, and reveal why this civilization was suddenly abandoned.
Episode: 3x01 | Airdate: Oct 2, 2018 (45 min)
A cutting-edge investigation into the sinking of the Titanic reveals new discoveries that could explain the mysteries of her last moments.
Episode: 3x02 | Airdate: Oct 9, 2018 (45 min)
Egypt's Bent Pyramid is one of the world's most mysterious ancient mega-structures. Was it intended to look so bizarre, or had something gone wrong?
Episode: 3x03 | Airdate: Oct 16, 2018 (45 min)
New finds at Pompeii's last unexplored area reveal the dark secrets of the doomsday event that destroyed it. Recently-unearthed mummies may offer answers.
Episode: 3x04 | Airdate: Oct 23, 2018 (45 min)
Archaeologists examine what lies beneath China's Forbidden City, exploring the dark secrets of this mysterious mega-palace buried for nearly 600 years.
Episode: 3x05 | Airdate: Oct 30, 2018 (45 min)
The Inca capital of Cusco was supposedly the site of untold gold and riches. New discoveries reveal the secrets behind this mighty empire's fall.
Episode: 3x06 | Airdate: Nov 20, 2018 (45 min)
A pioneering experiment shows how ancient Egyptians built the giant obelisks of Thebes. New findings suggest how they prompted the downfall of the pharaohs.
Episode: 3x07 | Airdate: Nov 27, 2018 (45 min)
In Mexico, archaeologists uncover a 100-foot tall mud pyramid, marking the site of the capital city of the mysterious Olmec. Who were these people?
Episode: 3x08 | Airdate: Dec 4, 2018 (45 min)
Abu Simbel in Egypt is the largest rock-cut temple in the world, built 3,000 years ago by Pharaoh Ramses II. How was this giant temple constructed and why?
Episode: 3x09 | Airdate: Dec 11, 2018 (45 min)
Hidden deep in the Guatemalan jungle is the lost city of Tikal, once home to over 100,000 people. How did this small village rise to become a Maya superpower?
Episode: 3x10 | Airdate: Dec 18, 2018 (45 min)
New discoveries at a strange prehistoric site reveal the dark secrets and rituals of the mysterious people who built the world's largest stone circle.
Episode: 3x11 | Airdate: Dec 30, 2018 (45 min)
When a Viking fortress lost underground for over 1,000 years is discovered, experts investigate its buried treasures. What caused this civilization's demise?
Episode: 3x12 | Airdate: Dec 30, 2018 (45 min)
At an ancient city lost in the Peruvian desert for 5,000 years, experts find signs of strange rituals. Was it the first civilization of the Americas?
Episode: 3x13 | Airdate: Dec 30, 2018 (45 min)
The Statue of Liberty is the home to dark American mysteries. Now, experts are using the latest science and technology to reveal her secrets.
Episode: 3x14 | Airdate: Dec 30, 2018 (45 min)
A mysterious ruined city in Greece is home to the mythical Labyrinth and the Minotaur. Its catastrophic downfall may have inspired the legend of Atlantis.
Episode: 3x15 | Airdate: Dec 30, 2018 (45 min)
Attila the Hun was one of history's fiercest warriors, and new evidence reveals if his terror was responsible for the fall of Roman Empire.
Episode: 3x16 | Airdate: Dec 30, 2018 (45 min)
The statues of Easter Island were built by one of the world's strangest and most isolated civilizations. New evidence reveals why they were constructed.
Episode: 3x17 | Airdate: Dec 30, 2018 (45 min)
The city of Thebes was the religious centre of Egypt's New Kingdom. How did workers construct the largest religious site in the ancient world?
Episode: 4x01 | Airdate: Nov 10, 2019 (45 min)
The Nazca Lines are mysterious symbols that have been carved into the Atacama Desert more than a thousand years ago. How and why were they created?
Episode: 4x02 | Airdate: Nov 17, 2019 (45 min)
Experts use cutting-edge technology to investigate one of the wonders of the modern world. They reveal mysteries hidden in its foundation.
Episode: 4x03 | Airdate: Nov 24, 2019 (45 min)
The Emperor Nero built an astonishing palace in the heart of Rome. Now using cutting-edge technology, experts investigate if he burnt the city for the building.
Episode: 4x04 | Airdate: Dec 1, 2019 (45 min)
The Lighthouse of Alexandria is one of the world's original Seven Wonders. Experts investigate its many secrets – did it hold a superweapon?
Episode: 4x05 | Airdate: Dec 8, 2019 (45 min)
The sunken town of Baiae remains frozen in time, lying on the seabed of the Bay of Naples. Now, marine archaeologists investigate its fascinating secrets.
Episode: 4x06 | Airdate: Dec 22, 2019 (45 min)
Thermopylae was the site of an iconic ancient battle. Legend says that in 480BC, 300 Spartan warriors died there – experts reconstruct the lost battlefield.
Episode: 4x07 | Airdate: Dec 29, 2019 (45 min)
The Dead Sea Scrolls in Israel are the oldest biblical texts. New discoveries might finally reveal the hidden meaning behind these manuscripts.
Episode: 4x08 | Airdate: Dec 29, 2019 (45 min)
The ‘Iceman' is the world's oldest and most perfectly preserved mummy. Cutting-edge forensic technology may unearth the mummy's darkest secrets.
Episode: 4x09 | Airdate: Sep 6, 2020 (45 min)
The underground bunker of Adolf Hitler is home to some of the greatest secrets of the Nazi regime. Experts use cutting-edge technology to uncover new evidence.
Episode: 4x10 | Airdate: Sep 13, 2020 (45 min)
The World Trade Centre's iconic twin towers were an engineering marvel. Experts use pioneering technology to examine their secret history.
Episode: 4x11 | Airdate: Sep 20, 2020 (45 min)
What caused the Nazi aircraft to explode into a giant ball of fire over New Jersey in 1937? Experts use cutting-edge technology to investigate the event.
Episode: 4x12 | Airdate: Sep 27, 2020 (45 min)
Pyramids in the deserts of Sudan are the ruins of a powerful lost civilisation that rivalled Egypt. However, why are the pyramids there and who built them?
Episode: 4x13 | Airdate: Oct 4, 2020 (45 min)
Cutting-edge technology is helping experts investigate the Bermuda triangle. Using new techniques, they search for evidence of aliens on the ocean floor.
Episode: 4x14 | Airdate: Oct 11, 2020 (45 min)
Alcatraz is one of the most famous prisons in the world. Experts investigate its remarkable engineering secrets and why it was so hard to escape from.
Episode: 4x15 | Airdate: Oct 18, 2020 (45 min)
The Roman Empire built Hadrian's Wall to guard its frontiers; new discoveries reveal who the Romans were trying to keep out with this 72-mile-long megastructure.
Episode: 4x16 | Airdate: Oct 25, 2020 (45 min)
With special access to a hi-tech archaeological investigation, experts reveal why Egypt's Black Pyramid collapsed before its pharaoh was buried there.
Episode: 4x17 | Airdate: Nov 1, 2020 (45 min)
Archaeological investigations unearth the secrets of the long-lost city. New evidence reveals what Babylon looked like and what caused its downfall.
Episode: 4x18 | Airdate: Nov 8, 2020 (45 min)
The Leaning Tower of Pisa is one of the world's most iconic buildings, but why does it lean? Investigators uncover the reasons for its tilt.
Episode: 4x19 | Airdate: Nov 15, 2020 (45 min)
New discoveries on a strange Mediterranean island might offer new clues in the hunt for Atlantis. Experts reveal the apocalyptic event that destroyed it.
Episode: 4x20 | Airdate: Nov 22, 2020 (45 min)
The infamous gunfight at the O.K. Corral only lasted 30 seconds. Now, experts use cutting-edge technology to uncover the mystery surrounding the event.
Episode: 4x21 | Airdate: Nov 29, 2020 (45 min)
Saqqara is the site of the first pyramid – the Step Pyramid of Djoser. Experts use cutting-edge technology to explore why the Egyptians built pyramids.
Episode: 4x22 | Airdate: Dec 6, 2020 (45 min)
When Pompeii was destroyed by an apocalyptic volcano, another town was destroyed, too – Herculaneum. It is one of history's most perfectly preserved towns.
Episode: 4x23 | Airdate: Dec 13, 2020 (45 min)
New discoveries at the lost city of Jericho offer fresh evidence about the biblical battle that brought its impregnable walls down.
Episode: 4x24 | Airdate: Dec 20, 2020 (45 min)
Experts use cutting-edge technology to investigate a lost city buried in the Sahara. Archaeologists are uncovering the city's forgotten ruins and dark secrets.
Episode: 4x25 | Airdate: Dec 27, 2020 (45 min)
The Tower of Babel is one of the most famous stories of the Bible. Archaeologists use new technology to uncover how engineers could have built it.
Episode: 4x26 | Airdate: Jan 3, 2021 (45 min)
Mount Rushmore is one of North America's most iconic landmarks. Experts use cutting-edge technology to reveal what lies beneath the rock.
Episode: 4x27 | Airdate: Jan 24, 2021 (45 min)
Troy is the legendary lost city at the centre of the Trojan War, but its existence was never confirmed. New cutting-edge technology explores the ancient myth.
Episode: 4x28 | Airdate: Jan 24, 2021 (45 min)
A cutting-edge archaeological investigation uses hi-tech methods to scan the ocean floor in search of sunken sphinxes, temples, and shipwrecks.
Episode: 5x01 | Airdate: Mar 13, 2022 (45 min)
Episode: 5x02 | Airdate: Mar 20, 2022 (45 min)
Episode: 5x03 | Airdate: Mar 27, 2022 (45 min)
Episode: 5x04 | Airdate: Apr 3, 2022 (45 min)
Episode: 5x05 | Airdate: Apr 10, 2022 (45 min)
Episode: 5x06 | Airdate: Apr 17, 2022 (45 min)
Episode: 5x07 | Airdate: Apr 24, 2022 (45 min)
Episode: 5x08 | Airdate: May 1, 2022
Episode: 5x09 | Airdate: May 8, 2022
Episode: 5x10 | Airdate: May 15, 2022
Experts use innovative geophysical analysis to solve the mysteries of the towering Mount Nemrut in Turkey as they try to uncover the reason for its destruction.
Episode: 5x11 | Airdate: May 22, 2022
The ancient city of Persepolis was once the greatest and richest city on Earth. Using forensic analysis, experts discover how the Persians rose to power.
Episode: 5x12 | Airdate: May 29, 2022
Stunning 'blow apart' CGI animation and the latest archaeological investigations reveal how the most iconic buildings of the ancient worlds were built, stone by stone.
Episode: 6x01 | Airdate: Feb 25, 2023
Episode: 6x02 | Airdate: Feb 25, 2023
Episode: 6x03 | Airdate: Mar 4, 2023
Episode: 6x04 | Airdate: Mar 4, 2023
Episode: 6x05 | Airdate: Mar 11, 2023
Episode: 6x06 | Airdate: Mar 11, 2023