Documentary series. Using the latest 3-D scanning technology, Alexander Armstrong and Dr Michael Scott explore the watery wonderland of Venice. They uncover how a city built in a swamp became one of the most powerful in medieval Europe and dive into its canals to experience how the city remains standing. Plus, they reveal how the city's beauty once masked a ruthless secret state and a world of excess and vice.

Using the latest 3D scanning technology, Alexander Armstrong and Dr Michael Scott uncover 2500 years of hidden history in Naples, from its earliest Greek and Roman origins. They explore how the volcano of Mount Vesuvius both nurtured the region and exacted a terrible price on the local population. Plus, they delve into a labyrinth of fascinating underground spaces that helped build and sustain the city.

Using the latest 3D scanning technology, Alexander Armstrong and Dr Michael Scott explore the romantic city of Florence. They reveal how its wonderful facades and artworks mask a hidden story of intrigue and secrecy, and one powerful dynasty was behind it all - the Medicis, godfathers of the Renaissance. Finally, the scanning team build a virtual reality 3D model to reveal how the city's secret corridors of power were the foundation of the city's Renaissance glory.