Season 1
01 Secrets of the Acropolis
45mThe 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.
2016-07-2602 Secrets of the Maya Pyramid
45mIn 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?
2016-07-0503 Medieval Cathedral mysteries
45mA medieval engineering marvel may house the remains of the Bible's Three Magi. Scientists and experts delve into the mysteries of this religious site.
2016-08-0204 Secrets of Westminster Palace
45mWestminster Palace is one of the most iconic structures on the planet. What Victorian secrets and mysteries are hiding behind this famous landmark?
2016-08-0905 Secrets of the Pyramids
45mThe Great Pyramid of Giza is one of the last surviving monuments of the ancient world. Scientists and archaeologists unlock the secrets of its construction.
2016-07-1206 Great Wall of China
45mThe 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?
2016-07-19