The Union Buildings form the official seat of the South African Government and also house the offices of the President of South Africa. Voortrekker Monument is a massive granite structure is prominently located on a hilltop, and was raised to commemorate the Voortrekkers who left the Cape Colony between 1835 and 1854. Paul Kruger House, is a modest and informative house museum in downtown Pretoria outlines the life and times of the 19th-century Afrikaans leader and Transvaal President Paul Kruger. The bungalow-style home was built for the large Kruger family in 1884 by English-speaking architect Charles Clark, who legend has it used to mix his cement with milk rather than water. The long veranda in front of the house is its most famous feature and it is said that the president loved nothing more than to spend time here chatting to passers-by.