1) The oldest known musical instrument is a flute made from a bird bone, estimated to be around 43,000 years old.

2) The windshield wipers were invented by a woman named Mary Anderson in 1903.

3) The Victoria Falls, situated on the Zambezi River between Zambia and Zimbabwe, is one of the largest and most spectacular waterfalls in the world. It is over 1.7 kilometers (1 mile) wide and has a height of 108 meters (354 feet), attracting visitors with its breathtaking beauty and power.

4) The world's largest diamond, the Cullinan, was discovered in South Africa in 1905 and weighed over 3,000 carats.