1) The Age of Exploration, during the 15th and 16th centuries, saw European explorers such as Christopher Columbus and Vasco da Gama reach new lands and establish trade routes.

2) The universe is estimated to be around 13.8 billion years old.

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 Renaissance period, which began in Italy in the 14th century, marked a renewed interest in art, literature, science, and philosophy.