Montmartre is hollow: the hill that crowns Paris is honeycombed with old gypsum mines, and the soft white rock quarried here gave the world the material we still call plaster of Paris. For centuries this was farmland above the city — windmills grinding grain, vineyards on the slopes, a village annexed only in 1860. Cheap rents, low tax on wine, and clear northern light then pulled a generation of painters up the butte: Renoir, Van Gogh, Picasso and Toulouse-Lautrec all worked here, and the white basilica of Sacré-Cœur rose on the summit to crown it all.
You climb into it by staircase and cobbled lane, past shuttered houses, ivy, and one of the city's last working vineyards. At the top, Place du Tertre still fills with easels and portrait painters, a busy echo of its bohemian years. The real quiet lies a street away, in the sloping alleys where the village feel survives. From the basilica steps the whole grey-and-zinc sweep of Paris opens below, best in the last light of afternoon — a view that draws crowds by day and empties into something calmer at dusk.