Tswaing Meteorite Crater, Old Soutpan Road (30 km north of Onderstepoort), ☎ +27 (0)12 790-2302, [1]. A very well preserved meteor crater some 200 000 years old and 1km in diameter.edit
South African Airforce Museum, SAAF Museum, AFB Swartkop (Take exit 6 Centurion from the N14/Ben Schoeman freeway and follow the M24/Snake Road west towards Valhala. At the intersection with the R101/Jan Smuts Drive, turn left. The museum is on your right.), ☎ +27 (0)12 351-2153 (fax: +27 (0)12 351-2346), [2]. Open 10AM to 3:30PM Mon to Fri and 10AM to 12:30PM on Sat. Entrance is free. edit
Coin World, (Take exit 121 from the N1 South to the R101 Old Pretoria Road, the Mint is on your right.), ☎ +27 (0)12 677-2460, [3]. Shop at the South African Mint for Kruger Rands and gold jewelery. Before going shopping, have breakfast at Café Burgundy's and watch buck and ostrich walk past.edit
Hartebeesthoek Radio Astronomy Observatory, ☎ +27 (0)12 326-0742, [4]. Operated by the CSIR as NASA Deep Space Station 51 from 1961 to 1974. Now operating as a radio astronomy observatory.edit