Sacré-Cœur

Sacré-Cœur is a vast white basilica perched at the highest point in Paris, atop the hill of Montmartre in the 18th arrondissement. Built between 1875 and 1914 and consecrated in 1919, it was constructed as a national act of penance following France's defeat in the Franco-Prussian War and the violence of the Paris Commune. Its distinctive Romano-Byzantine architecture — all ivory travertine stone that self-whitens when it rains — makes it one of the most recognizable buildings in the world, and the perpetual adoration held inside has continued uninterrupted since 1885.

Visiting is a layered experience. The basilica itself is free to enter, and the interior is genuinely impressive — the enormous mosaic of Christ with outstretched arms in the apse is one of the largest in the world. You can climb the dome for elevated views, though most visitors are content with the wide terrace outside, which offers one of the finest panoramas in Paris, sweeping across the city all the way to the Eiffel Tower on a clear day. The steps leading up are as much a destination as the building itself, perpetually filled with buskers, couples, and people watching the city below.

The practical reality is that Sacré-Cœur is extremely popular, and the approach through Montmartre is lined with persistent souvenir sellers and, at the bottom of the hill, notorious friendship-bracelet scammers — just keep walking and don't engage. Take the funicular from Place Saint-Pierre if your legs aren't up for the stairs. Come early morning or around sunset for the best light and thinner crowds. The surrounding neighborhood of Montmartre — with its cobbled streets, the Place du Tertre artists' square, and Amélie-famous cafés — makes for a half-day on its own.