The museum exhibits agricultural technology from the Stone Age through to the Second World War.

It is located on the R104 (Old Bronkhorstspruit Road) in Rayton, near Cullinan, Gauteng, South Africa.

In 1976, his great-granddaughter Miertjie le Roux donated 16 hectares, a dwelling from 1860 and some outbuildings to the National Cultural History and Open-air Museum.

Later the museum bought part of the adjacent farm.

Development began in 1976, with the museum officially opening on 29 March 1980.