The Museum of Illusions is a franchise of museums that host a variety of exhibits of optical and other types of illusions. The first museum in the franchise was opened in 2015 in Zagreb, Croatia. As of May 2023, the franchise consists of 43 museums in 25 countries. The franchise is operated by Metamorfoza d.o.o., which is, as of 2021, majority-owned by Invera Equity Partners.