Westminster Palace is one of the most iconic structures on the planet. What Victorian secrets and mysteries are hiding behind this famous landmark?

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.

New technology reveals the truth behind the largest temple ever built, Angkor Wat; experts uncover how it was constructed and why it was deserted.

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.

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.

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.

In Mexico, the lost city of Chichen Itza holds ancient secrets of a strange civilisation. How was it was built and how did human sacrifice shape it?

When a Viking fortress lost underground for over 1,000 years is discovered, experts investigate its buried treasures. What caused this civilization's demise?

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?

Venice was once a fearsome superpower. Scientists use pioneering acoustic imaging technology to discover its ancient foundations and reveal how it's still standing.

The discovery of strange giant stone heads in the Mexican jungle leads archaeologists to the lost capital city of the Olmec; new investigations reveal evidence that the secret knowledge of these mysterious people changed life in the Americas forever.

The Inca capital of Cusco was said to be the site of untold gold and riches, and new discoveries at this mysterious site reveal the secrets behind this mighty empire's fall.

Newly-found artifacts reveal dark secrets surrounding the Terracotta Army, including the soldiers' supernatural enemy and ancient China's violent origins.

Archaeologists uncover the engineering secrets behind lost coliseums of Rome to reveal the truth behind the ancient Roman empire.

The clifftop ruins of Tintagel Castle are believed to be King Arthur's birthplace. Experts use cutting-edge tech to unlock its secrets.

The ancient city of Abydos contains Egyptian tombs and a buried temple linked to a mysterious death cult. Archaeologists use drone imaging to investigate.

Experts use innovative technology to investigate why pharaohs and emperors built a colossal temple monument on a mysterious Egyptian island.

The powerful city of Palenque is home to mysterious temples that harbour secrets about the Maya queens. Experts investigate using pioneering technology.

Deep in the Iraqi desert, investigators use new technology to unearth an ancient city like no other. What secrets lie in the sacred city of Nippur?

The Valley of the Queens is a vast necropolis near the Valley of the Kings concealing some of Egypt's most miraculous tombs and powerful women; now, investigators use cutting-edge tech to explore lost tunnels and uncover the enigmatic secrets behind these ancient pharaohs.

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.

Experts use innovative geophysical analysis to solve the mysteries of the towering Mount Nemrut in Turkey. Can they uncover the reason for its destruction?

Experts use drone technology to explore the tunnels hidden below an Egyptian pyramid for the very first time. Plus, forensics uncover a pharaoh’s secrets.

Deep in the Iraqi desert, the world's only ziggurat towers over the remains of the first civilization ever known in human history; armed with pioneering satellite imagery, experts investigate the dark mysteries behind this massive, ancient structure.

Experts use high-tech underwater archaeology to explore the world’s oldest sunken city and reveal new discoveries about one of the first great empires.

Cutting-edge technology is helping experts investigate the Bermuda triangle. Using new techniques, they search for evidence of aliens on the ocean floor.

The World Trade Centre's iconic twin towers were an engineering marvel.

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.

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

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?

Experts use cutting-edge technology to investigate one of the wonders of the modern world. They reveal mysteries hidden in its foundation.

A cutting-edge archaeological investigation uses hi-tech methods to scan the ocean floor in search of sunken sphinxes, temples, and shipwrecks.

New discoveries on a strange Mediterranean island might offer new clues in the hunt for Atlantis. Experts reveal the apocalyptic event that destroyed it.

The Pantheon is a 2,000-year-old temple with a secret. Advanced archaeological methods and new evidence reveal why it was built and how it survived.

The ancient Roman city of Hierapolis is said to hide a secret portal to the underworld beneath its streets. Experts use pioneering technology to investigate.

Archaeologists use pioneering technology to investigate the ancient city of Samarra, revealing its astonishing rise to power - and monumental downfall.

New discoveries reveal the deepest secrets of the Stonehenge, showing how ancient magic, bizarre rituals, and brutal murder built this strange monument.

Scientists reveal codes that tell a shocking story of power and betrayal in the Indian ode to love, challenging commonly-held beliefs about the Taj Mahal.

New technologies resurrect the ancient city of Petra, which has baffled experts for decades, and reveal why this civilization was suddenly abandoned.

New discoveries at Pompeii's last unexplored area reveal the dark secrets of the doomsday event that destroyed it, and recently unearthed mummies might help answer Pompeii's most enduring mystery: why it was built on an active volcano.

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, three times bigger than Stonehenge, and just as enigmatic.

The 'Iceman' is the world's oldest and most perfectly preserved mummy. Cutting-edge forensic technology may unearth the mummy's darkest secrets.

The Lighthouse of Alexandria is one of the world's original Seven Wonders. Experts investigate its many secrets - did it hold a superweapon?

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.

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.

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.

The Dead Sea Scrolls in Israel are the oldest biblical texts. New discoveries might finally reveal the hidden meaning behind these manuscripts.

Thermopylae was the site of an iconic ancient battle. Legend says that in 480BC, 300 Spartan warriors died there - experts reconstruct the lost battlefield.

With special access to a hi-tech archaeological investigation, experts reveal why Egypt's Black Pyramid collapsed before its pharaoh was buried there.

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.