1) The highest mountain in Africa is Mount Kilimanjaro, standing at 19,341 feet (5,895 meters) tall.

2) Bats are the only mammals capable of sustained flight.

3) Elvis Presley, often referred to as the "King of Rock and Roll," has sold over one billion records worldwide.

4) The sitcom "Friends" is known for its iconic Central Perk coffee shop, where the main characters often gather.