Indagare travelers cannot get enough of Paris, where they return season after season. And where do they stay? Of course, legendary five-star Palace-grade properties like Ritz Paris and Hôtel Plaza Athénée are in the mix. But many Indagare travelers opt for smaller, more subdued (and more affordable) stays, like the Left Bank’s Esprit Saint Germain. And then there is the contemporary cohort: a clutch of fabulous properties like Cheval Blanc Paris, Hotel Madame Rêve and Bulgari that prove that F...