And make sure that you visit the Pantheon. Originally built to praise Saint Genevieve after Louis XV recovered from "illness" it became a secular cathedral to the people of France after the revolution (paraphrasing 220 years of complicated history) and holds the remains of France's greatest...
If you want a traditional dining experience, you should really have a meal at a Bouillon Brasserie!
I've always been a fan of Chartier - https://www.bouillon-chartier.com/en/ - Great food, unbelievably cheap (still only 1 Euro for Soup of the Day), and a beautiful belle epoch setting. You do...