Many of the buildings in the historic district of Old Québec were built before 1850, and the area is recognized as a UNESCO Heritage Site. br br Although Québec City is a celebrated modern metropolis, the historic district remains among the most well-preserved areas of its kind -- having retained almost all its fortifications.br br Join Heather Moores and Kurt Doyle, as they share their knowledge of the city and why it continues to be a popular destination for visitors the world over.