Zimbabwe #9 100 Dollars (1995) - $1.90

picture
Chiremba Balancing Rocks found in Epworth, Zimbabwe. It is a formation of perfectly balanced rocks without other supports. They are created when ancient granite intrusions are exposed to weathering, as softer rocks surrounding them erode away. Wikipedia
picture
The Kariba Dam is a hydroelectric dam in the Kariba Gorge of the Zambezi river basin between Zambia and Zimbabwe. It is one of the largest dams in the world, standing 420 ft tall and 1,900 ft long. Wikipedia