The ROM showcases art culture and nature from around the world and across the ages. As the countrys preeminent field research institute and an international leader in new and original findings the ROM plays a vital role in advancing our understanding of the artistic cultural and natural world. Among the top 10 cultural institutions in North America Canadas largest and most comprehensive museum is home to a world-class collection of 18 million art objects and natural history specimens in 40 gallery exhibition spaces.