St Fagans National Museum of History is an open-air museum located in Cardiff, Wales. It showcases the history and culture of the Welsh people through a collection of historic buildings, artifacts, and exhibitions. Visitors can explore over 40 re-erected structures, including farms, a school, and a chapel, all representing different periods of Welsh history. The museum also features gardens and landscapes that reflect traditional Welsh rural life. It offers various activities and events throughout the year, making it a popular destination for families and history enthusiasts. St Fagans aims to educate visitors about Wales' rich heritage in an engaging and interactive way.