A roundup of new art and cultural exhibitions opening in Paris and the Île-de-France region in May 2026 is announced. Highlights include the annual Rambolitrain toy train fair at Rambolitrain museum on May 1, free evening hours at the Bourse de Commerce on May 2, free entry to castles and museums in Yvelines and Seine-et-Marne on May 3, the Tour Auto classic car display under the Grand Palais glass roof on May 3-4, the Circle of Parisian Artists' 24th annual exhibition at Parc Floral from May 4-31, a new garden art exhibition "Jardin des Lumières" at the Grand Trianon in Versailles from May 5 to September 27, and a major Hilma af Klint exhibition at the Grand Palais.
This article matters because it serves as a practical guide for locals and tourists planning cultural outings during a month packed with public holidays and cultural events like Nuit des Musées and International Museum Day. By aggregating diverse offerings—from contemporary art and classic cars to garden design and abstract art pioneers—it underscores Paris's role as a global cultural hub and helps audiences navigate the city's rich exhibition calendar.