After our private tour of the Marriott Champs-Elysees property, we hopped on the metro from Charles de Gaulle Etoile to Anvers station to explore Montmartre. Since day one, we had been eyeing the white-domed Sacre Coeur Basilica on the hilltop. From the Anvers metro station, we ascended the steep, narrow, crowded streets filled with vendors Read Post >