New evidence could help solve some of the Great Pyramid’s greatest mysteries. Follow the investigation into how it was built, revealing the truth behind its hidden tombs and deepest secrets.

The Great Wall of China is the biggest man-made structure on the planet -- and one of its biggest mysteries. Follow the scientific mission to reveal the ancient secrets of one of history's greatest empires.

Go inside the Acropolis, a Greek engineering marvel that has stood for thousands of years. Follow the scientists working to reveal its hidden mysteries: how it was built, what it looked like, and why it's still standing today.

A medieval engineering marvel might be the home to the remains of the Bible's Three Magi, and we follow the scientists and experts who are delving deep into the mysteries of this incredible religious site.

We reveal the centuries-old mysteries of one of the most remarkable examples of Victorian engineering. Follow the cutting-edge technology that built the Palace of Westminster, and find how it helped lead to today's skyscrapers.

New discoveries explore the dark secrets of Tutankhamun's tomb. Archaeologists are finally finding answers to its ancient riddles, showing how his untimely death, his calamitous burial, and an act of God made a minor king the most famous of them all.

Giant pyramids in Mexico are revealing the bloody secrets of a mysterious civilization that vanished 1,400 years ago. Little is known about this lost culture, but new discoveries are uncovering shocking evidence of human sacrifice.

New technologies reveal the startling truth of the world's largest temple, Angkor Wat. Accompany experts as they uncover how this colossal structure was built and why one of the largest cities in the world was suddenly abandoned.

Uncover the astonishing new secrets of the world's most iconic monument, the great Sphinx at Giza. Join the extraordinary investigation as it reveals which pharaoh commissioned this colossal statue and why it was never finished.

Stonehenge is the ancient world's greatest wonder and biggest mystery. Now new discoveries are revealing its deepest and darkest secrets, showing how ancient magic, bizarre rituals, and brutal murder built this strange monument.

A castle in Scotland could be the home of King Arthur's legendary Round Table. Scientists have made a gruesome discovery at this site: a disfigured skeleton that could reveal the castle's bloody secrets and rewrite history.

The lost city of Machu Picchu is one of the greatest mysteries in archaeology. Scientists don't know why the city was built, but investigations of secret Inca codes and deformed skeletons might finally reveal its ultimate mystery.

It's one of China's greatest treasures, but there are still dark secrets surrounding this super-tomb. Newly discovered artifacts reveal the soldiers' supernatural enemy, and human remains point to ancient China's violent origins.

The Egyptian mega-temple at Karnak was once the political powerbase of the ancient pharaohs and the home to strange religious rituals. New discoveries of skeletons tell a story of jealousy, betrayal, and the rise of a new religion that changed Egypt.

The Taj Mahal is one of the world's most beautiful monuments, but new investigations reveal dark secrets. Scientists are uncovering codes that tell a shocking story of power and betrayal, challenging everything we thought we knew about the Taj Mahal.

New evidence uncovers the ancient mysteries behind the iconic Colosseum. Archaeologists uncover the secret lives of the gladiators and make new discoveries that help explain the rise and sudden fall of the Roman Empire.