Canadian High Commission is a place where nationals can seek aid while in the country. By prior arrangement, the general public can also take a look at this interesting building.
You'll soon find out why this Pretoria diplomatic residence is visited by many travelers. If you're searching for more to explore, Voortrekker Monument, Kruger Museum, and University of Pretoria are in the area as well. They won't take you long to reach from Canadian High Commission.