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 highest-grossing film of all time is "Avengers: Endgame," which has earned over $2.79 billion at the global box office.

3) The Serengeti National Park, located in Tanzania and extending into Kenya, is renowned for its vast savannahs, diverse wildlife, and the annual wildebeest migration. It is a UNESCO World Heritage site and a popular destination for safari enthusiasts and nature lovers.

4) The paella is a traditional Spanish rice dish that originated in the Valencia region. It is typically cooked in a wide, shallow pan and combines rice with various ingredients, such as saffron, vegetables, meat (like chicken or rabbit), seafood, and spices. Paella is known for its vibrant colors, aromatic flavors, and communal dining experience, often enjoyed during festive occasions and social gatherings.