What Are The Three Most Expensive Cars On Jay Leno’s Garage?

What are the three most expensive cars that have ever appeared in Jay Leno’s Garage? Why those would be the Curiosity Mars Rover [$2.5 billion], the 1994 single-seater McLaren F1 [$20 million] and last but not least, the 2015 Koenigsegg One: 1 [a mere three million]…