Where can Eschers work be seen?

M.C. Escher's work can be seen in various locations, including art galleries and museums worldwide, such as the Escher in Het Paleis museum in The Hague, Netherlands. His prints and designs are also featured in books and online collections. Additionally, his work has inspired numerous exhibitions and installations, showcasing his unique approach to mathematics and perspective. Many of his pieces have become iconic and are often reproduced in popular culture.