Can you visit the Panthéon with a stroller? Do you have to descend stairs to reach the crypt, is the visit free for children, and is the panorama accessible? In the heart of the Latin Quarter, the monument lets you cross paths with Victor Hugo, Marie Curie, Joséphine Baker, or Alexandre Dumas. Stroller, steps, temperature, tickets and visiting with kids: here’s what you need to know before you go in as a family.