10 I.M. Pei Buildings We Love

The iconic glass pyramid addition to Musée du Louvre in Paris is one of the most recognizable structures in the world, and arguably Pei's most famous structure. However, when it was first proposed, Pei's plan was highly controversial. Created as part of a renovation for the world-famous museum that's housed in a grand French Renaissance-style former palace, the glass-and-steel pyramids in the center courtyard of the complex were designed to allow light into a new subterranean concourse.