In the very centre of Paris stands a remarkable wonder of engineering - the Louvre. This super-sized structure is now the largest museum in the world, attracting more than 10 million visitors each year. Now investigators are using new technology, including technical drones, to examine this monument at the satellite, aerial and molecular scales and unravel the astonishing past life of the building.

Hidden in the tropical jungle of Cambodia is the largest religious structure ever built - the majestic temple of Angkor Wat. 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. How was the iconic temple built? And what remains to be discovered of the legendary lost city alongside?

In Turkey, at the intersection of Europe and Asia, lies a remarkable wonder of ancient engineering - 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. What incredible construction secrets are hidden in the heart of this giant mythical monument?