"In France, on the coast of Normandy, in a vast bay swept by the most powerful tide in Europe, stands the Mont-Saint-Michel. Both a masterful abbey and an impregnable fortress, this silhouette is known around the world and attracts nearly 3 million visitors each year. Yet the Mont Saint-Michel is far from having revealed all its secrets. Today, with the help of the latest technology, experts now have the means to scrutinize this site on all scales and try to fill in the gaps of its fascinating history. By viewing this monument from different points of view, using satellite images and microscopic details, archaeologists, scientists and historians are making groundbreaking discoveries about the history of this amazing structure. It was already built in the Middle Ages, but there are still many questions around."

"Nestled in the Jordanian desert, Petra is regarded as the Eighth Wonder Of The World. Forgotten for centuries, this city was erected 2000 years ago by Nabataeans, a civilization of Arab merchants. It was rediscovered during the 20th century by a Swiss explorer. Even today, scientists are still fascinated by its monumental facades carved into the rock and its unique hydraulic system. Using the latest technology, experts can go beyond what the eye can see, and are on a mission to unravel Petra\u2019s mysteries."

"On the planet\u2019s largest continent, in Asia, the Great Wall of China spans the country from East to West: but this enigmatic monument is still shrouded in mystery. Thanks to the latest digital technology, today's experts now have the means to scrutinize this UNESCO World Heritage site from all perspectives and scales, from the infinitely far to the infinitely close. History, science, construction\u2026 they dissect the work of ancient builders to try to reveal secrets kept for millennia."

"Erected at 2430 meters high on a rocky crest in the heart of the Peruvian Andes, the city of Machu Picchu remains in the eyes of many this civilization\u2019s most breathtaking and enigmatic urban creation. This extraordinary sanctuary, a UNESCO World Heritage Site, still holds many mysteries. But today, using state-of-the-art technology, experts now have the means to go back in time to probe the invisible, to explore what lies beneath and around this ancient city, and reveal its secrets."

"In the very centre of Paris stands a remarkable wonder of engineering - the Louvre. This super-sized structure is today the largest museum in the world, attracting more than 10 million people every year. Now investigators are using new technology, including technical drones for the first time, to examine this monument at the satellite, aerial and molecular scales and unravel the astonishing past life of the Louvre.\n\nKnown today for its Pyramid, a monumental and modern glass and steel structure that rises to a height of 21 meters, the Louvre has been the cradle of exceptional technological challenges since the beginning of its construction. Eight centuries of architectural innovation that started with a small medieval castle. History, science, engineering, exposed as never before, the Louvre finally reveals itself, on every scale."

"Hidden in the tropical jungle of Cambodia is the largest religious structure ever built - the majestic temple of Angkor Wat. It was built in the 12th century by the powerful Khmer Empire. Now archaeologists are using new technology to examine the monument at the satellite, aerial and molecular scales, to unravel the mysteries of this UNESCO World Heritage Site.\n\nHow was this iconic temple built? What are the secrets of its longevity? What remains to be discovered of the legendary lost city alongside? Using drones and 3D laser scanning techniques, teams of investigators are discovering long lost structures, looking for clues about whether the temple was used for a tomb, and unravelling the area\u2019s hidden secrets. History, science, engineering, exposed as never before, the temple of Angkor Wat finally reveals itself, on every scale."

"In Turkey, at the intersection of Europe and Asia, lies a remarkable wonder of ancient engineering \u2013 the Hagia Sophia of Istanbul. Now archaeologists are using new technology to examine this monument at the satellite, aerial and molecular scales to unravel the mysteries of this UNESCO World Heritage Site.\n\nWhat incredible construction secrets are hidden in the heart of this monument? How was its gigantic dome and lavish interior designed? How was this immense puzzle pieced together over the centuries? Scientists are exploring water filled tunnels hidden deep under the building and are investigating its remarkable ability to remain standing even though builders constructed the monument on an active seismic fault. History, science, engineering, exposed as never before, Istanbul\u2019s Hagia Sophia finally reveals itself, on every scale."

"The Taj Mahal was built in the 17th Century by the Mughal emperor Shah Jahan, in memory of his late wife. The extraordinary marble mausoleum was built in the city of Agra in northern India, and is considered one of the seven wonders of the modern world. And yet, there are so many things we still need to learn about the Taj Mahal and the surrounding architectural complex.\n\nHow did the builders complete it in just 20 years \u2013 when the Notre Dame cathedral took more than a century? What gives it stability, built as it is on the unstable banks of the sacred river Yamuna?\n\nUsing satellite images and microscopic investigations, historians, researchers, and engineers uncover the answer to these questions and more. The latest technology finds evidence of deep foundations, intricate gemstones, and innovative brick manufacture, and reveals the secrets at the heart of the colossal construction."