4 Best Sights in The Marais, Paris

Home to the world’s largest public collection of Picasso’s inimitable oeuvre, this spectacular museum covers almost 54,000 square feet in two buildings: the splendid 17th-century Hôtel Salé and a sprawling structure in the back garden dedicated to temporary exhibitions. Diego Giacometti’s exclusively designed furnishings in the former are a bonus. The 200,000-plus paintings, sculptures, drawings, documents, and other archival materials (most of them donated to the City of Paris by Picasso or his family members) span the artist's entire career. Although it doesn't include his most recognizable works, it does contain many of the pieces Picasso himself treasured most. The first two floors cover his work from 1895 to 1972. The top floor illustrates his relationship to his favorite artists: landscapes, nudes, portraits, and still life works taken from his private collection detail his "artistic dialogue" with Cézanne, Gauguin, Degas, Rousseau, Matisse, Braque, Renoir, Modigliani, Miró, and others. The basement centers on Picasso’s workshops, with photographs, engravings, paintings, and sculptures that document or evoke key pieces created at the Bateau Lavoir, Château de Boisgeloup, Grands-Augustins, Villa La Californie, and his farmhouse, Notre-Dame-de-Vie, in Mougins. With excellent temporary exhibitions and plenty of multimedia components and activities that cater to kids, this is ideal for children and adult art lovers alike. Buy tickets online well in advance of your planned visit. Also, try to avoid visiting on weekends, when the crowds are largest.

Henri Cartier-Bresson, the legendary artist-photojournalist and co-creator of the Magnum photo agency, launched this foundation with his wife Martine Franck, a British-Belgian portrait and documentary photographer, and their daughter Melanie. The soaring, light-filled gallery showcases a collection of 50,000 original prints along with an exceptional series of solo exhibitions from notable photographers. The foundation's bookstore itself is a draw for photography buffs.

Much of the credit for the city's ascendancy as a hub of international photography goes to Maison Européenne de la Photographie (MEP). Set in a landmark 17th-century mansion with a contemporary addition, MEP hosts up to four simultaneous exhibitions, which change about every three months, along with theme visits, workshops, and programs for kids. Shows feature an international crop of photographers and video artists. Works by superstar Annie Leibovitz or the late designer-photographer Karl Lagerfeld may overlap with a collection of self-portraits by an up-and-coming artist, and there are also regular retrospectives of photos by Doisneau, Cartier-Bresson, Man Ray, and other classics from MEP's vast private collection. The center has an excellent library, bookstore, and a café that spills out into the courtyard in warm months. Programs are available in English, and English-language tours are sometimes offered.

One of the loveliest museums in Paris, this 16th-century, rococo-style mansion contains an outstanding collection of mostly 18th-century artwork in its rooms of boiserie (intricately carved wood paneling). A tour through them allows a rare glimpse into the lifestyle of wealthy 19th-century Parisians. Ernest Cognacq, founder of the department store La Samaritaine, and his wife, Louise Jay, amassed furniture, porcelain, and paintings—notably by Fragonard, Watteau, François Boucher, and Tiepolo—to create one of the world's finest private collections of this period. Some of the best displays are also the smallest, like the tiny enamel medallion portraits showcased on the second floor, and on the third floor, the glass cases filled with exquisite inlaid snuff boxes, sewing cases, pocket watches, perfume bottles, and cigar cutters. Exhibits are labeled in French only, but free pamphlets and €5 audioguides are available in English.