When we tell our friends to visit Metz, they usually say, “never heard of it!” But trust us, this underrated city is packed with rich culture and hidden gems, making it the perfect day trip from Paris or a great stop on your Alsace adventure. One of the coolest things about Metz? It’s home to the largest surface area of stained glass in all of France, and it’s housed in the stunning Metz Cathedral, aka the “Lantern of God.” The light pouring through those windows is nothing short of magical. You