The Panthéon is a beautiful, neo-Classical church located in the Latin Quarter of Paris, easy to reach on foot and by public transport. Originally dedicated to St. Genevieve (the patron saint of Paris), it's now a secular mausoleum that houses the remains of many French luminaries, Among those buried here are Voltaire, Rousseau, Victor Hugo, Marie Curie, and Émile Zola.
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After your visit walk for 10 minutes to Luxembourg gardes and chateau...don't miss it. An extremely place.