Madame Tussauds (UK /təˈsɔːdz/, US /tuːˈsoʊz/; the family themselves pronounce it /ˈtuːsoʊ/) is a wax museum in London with branches in a number of major cities. It was founded by wax sculptor Marie Tussaud and was formerly known as "Madame Tussaud's"; the apostrophe is no longer used.