A penny in today’s economy does not go very far, but that has not stopped NASA from making a 1-cent piece stretch all the way to another planet: Mars. This Lincoln penny is part of a camera calibration target attached to NASA’s Mars rover Curiosity, which successfully landed in Gale Crater on August 6, 2012.
Did you ever wonder what our currency might look like if aliens invaded our planet and for some strange reason decided to integrate into our culture rather than destroying us all? This selection of extra terrestrial coins includes some of the most intriguing hobo nickels on Earth. If you’re not familiar, hobo nickels are any coin-not just nickels- of which the original carvings have been altered.