1) The world's largest volcano, Mauna Loa in Hawaii, is also one of the most active. It stands over 13,000 feet (4,000 meters) above sea level.

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

3) Cows have best friends and can become stressed if they are separated.

4) The longest-running TV show in history is "The Simpsons," which has been on the air since 1989 and has over 700 episodes.