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.

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

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.

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

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.

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

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.

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 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.

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.

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.

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 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.

A cutting-edge investigation into the sinking of the Titanic reveals new discoveries that might finally explain the mysteries of her last moments, and experts get closer to a shocking secret: if there was a way to save almost everyone on board.

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?

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

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

Archaeologists uncover the secret lives of the gladiators and make new discoveries that help explain the rise and sudden fall of the Roman Empire.

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 treasures of Ramses II are found at Abu Simbel, a giant temple carved into a desert cliff over 3,000 years ago, and new discoveries at this marvel reveal the secrets of ancient Egypt's greatest pharaoh.

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.

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.

Forensic evidence sheds new light on the history of the great Sphinx of Giza, revealing which pharaoh commissioned its construction, and why it was never finished.

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?

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?