It’s been 150 years since the Palais Garnier opera house opened in Paris. Today, it is still a working theater — with 172 performances scheduled for this season.

Few grocery shoppers in a regular central Strasbourg supermarket have any idea that below their feet is a third-century tower that once helped defend the Roman empire.

The 35-year-old fashion school dropout has grown his indie label into one of the buzziest brands in the world.

With the men’s collections in full swing and Couture right around the corner, the Louvre Museum today will unveil “Louvre ...