1) Michael Jackson's album "Thriller" is the best-selling album of all time, with estimated sales of over 66 million copies worldwide.

2) The Great Barrier Reef in Australia is the largest coral reef system in the world and is visible from space.

3) The novel "To Kill a Mockingbird" by Harper Lee has been translated into more than 40 languages and has sold over 40 million copies worldwide.

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