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?

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.

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.

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?

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.

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

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.

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

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?

Deciphering the secret Inca codes and deformed skeletons of the lost city of Machu Picchu, one of archaeology's biggest enigmas, to reveal its ultimate mystery.

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

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.

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.

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

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

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.

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

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?

The Statue of Liberty is the home to dark American mysteries. Now, experts are using the latest science and technology to reveal her secrets.

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.

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 statues of Easter Island were built by one of the world's strangest and most isolated civilizations. New evidence reveals why they were constructed.