1) The Mariana Trench in the western Pacific Ocean is the deepest part of the world's oceans, reaching a depth of approximately 36,070 feet (10,994 meters).

2) The concept of gravity was famously described by Sir Isaac Newton after an apple fell on his head.

3) The world's most expensive car is the Bugatti La Voiture Noire, which sold for over $18 million.

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