True to Nature: Open-Air Painting in Europe, 1780–1870
National Gallery of ArtPainting en plein air was a popular trend during the late 18th and early 19th centuries, when intrepid artists journeyed to breathtaking European spots to practice their craft outdoors. This collection of around 100 oil sketches from the period includes works by Jean-Baptiste-Camille Corot, John Constable and more. nga.gov
