An examination of the construction secrets behind some of France's megastructures and the ways the architectural landscape of Paris has been shaped over time.

Explore the construction of the vast Sanctuary of Lourdes, including its three basilicas and monumental crypt at the foot of the Pyrenees.

Napoleon's nephew, Napoleon III, challenged himself to modernize France's capital city; with the help of Haussmann they opened, homogenized and embellished Paris, even if it meant that 2000 years of history had to be erased.

An examination of the construction secrets behind some of France's megastructures and the ways the architectural landscape of Paris has been shaped over time.