

In 1870, convinced that France's defeat by Prussia is divine punishment, a small circle of Catholics vow to build a gigantic basilica in the heart of Paris if the capital is spared. Thus, the Sacré Cœur is born.

Every year, nearly 7 million people visit the iconic Eiffel Tower in Paris, France, making it one of the most visited monuments in the world. At the time it was built, the tower was the tallest structure in the world.