https://en.wikipedia.org/wiki/Art_Institute_of_Chicago

an encyclopedic art museum located in Chicago's Grant Park. It features a collection of Impressionist and Post-Impressionist art in its permanent collection. Its holdings also include American art, Old Masters, European and American decorative arts, Asian art, Islamic art, Ancient classical and Egyptian art, modern and contemporary art, and architecture and industrial and graphic design. In addition, it houses the Ryerson & Burnham Libraries.

Tracing its history to a free art school and gallery founded in 1866, the museum is located at 111 South Michigan Avenue in the Chicago Landmark Historic Michigan Boulevard District. It is associated with the School of the Art Institute of Chicago and is overseen by Director and President Douglas Druick.[2] It is one of the most visited art museums in the world with about 1.5 million visitors annually (2013), and with one million square feet in eight buildings, it is the second-largest art museum in the United States, after the Metropolitan Museum of Art.[1][3]

Today, the museum is most famous for its collections of Impressionist, Post-Impressionist, and American paintings. Highlights included in the Impressionist and Post-Impressionist collection include more than 30 paintings by Claude Monet including six of his Haystacks and a number of Water Lilies. Also in the collection are important works by Pierre-Auguste Renoir such as Two Sisters (On the Terrace), and Gustave Caillebotte's Paris Street; Rainy Day. Post-Impressionists include Paul Cézanne's The Basket of Apples, and Madame Cézanne in a Yellow Chair. At the Moulin Rouge by Henri de Toulouse-Lautrec is another highlight. The pointellist masterpiece, which also inspired a musical, Georges Seurat's A Sunday Afternoon on the Island of La Grande Jatte, is prominently displayed. Additionally, Henri Matisse's Bathers by a River, is an important example of his work. Highlights of non-French paintings of the Impressionist and Post-Impressionist collection include Vincent van Gogh's Bedroom in Arles and Self-portrait, 1887.

Among the most important works of the American collection are Mary Cassatt's The Child's Bath, Grant Wood's American Gothic, and Edward Hopper's Nighthawks. The Child's Bath (1892), Cassatt's intimate portrayal, unusual for the time, was first exhibited in 1890s Paris and came into the collection in 1910.