But what, exactly, is considered a small museum? The Small Museums Committee at the American Association of State and Local History (AASLH) surveyed industry workers and found that common characteristics of small institutions include an annual budget of less than $250,000 (€216,960). The UK’s Association of Independent Museums defines a small museum as one with 20,000 visitors or fewer a year. A visit to this pocket-sized private museum, just a short walk from Tokyo Station, makes for an absorbing outing. haidaheritagecentre.com(Image: Chris Cheadle/Alamy)The IntanSingaporeThis small, private museum in the historic Joo Chiat enclave is a jewel box of Peranakan (an ethnic group descended from Chinese settlers who intermarried with local Malays) artefacts.