This Apollo XII Astrovette is one of only three ever built and the only one that still exists. It was owned by the fourth man to walk on the moon.

Jay Leno and Neil deGrasse Tyson get a tour of Edwards Air Force Base by Deborah Lee James, Secretary of The Air Force.

Jay Leno introduces Neil deGrasse Tyson to the Eco-jet, a jet powered car that Jay designed to run on bio-diesel fuel.

Jay Leno meets with Charles Phoenix and the two of them ooh and ahh over this 1961 Pontiac Bonneville.

After a tour of the futuristic landmarks in Downey, CA, Charles takes Jay to Bob's Big Boy Broiler for a double sized burger.

On this installment of Stump A Car Nerd, Jay tries to stump Tim Allen but Tim is a wise car nerd and he does well.

The Light Car Company Rocket is small, fast it's street legal!

The Mars Rover can balance itself to drive on any terrain and it costs a whopping $2.5 billion dollars.

Donald Osborne assesses the five-year appreciation of three cars for Jay Leno. The one that has appreciated the most is the 1972 Citroen SM.

Gene Winfield is a genius car builder and his masterpiece is the Winfield Reactor. Gene built it himself and it still looks futuristic.