Cadw ([ˈkadu], a Welsh verbal noun meaning "keeping/preserving") is the historic environment service of the Welsh Government and part of the Tourism and Culture group. Cadw works to protect the historic buildings and structures, the landscapes and heritage sites of Wales, so that the public can visit them, enjoy them and understand their significance. Cadw manages 127 state-owned properties and sites. It arranges events at its managed properties, provides lectures and teaching sessions, offers heritage walks and hosts an online shop. Members of the public can become members of Cadw to gain membership privileges.