Tens of millions of them all over the world–soda and snack machines, parking meters and payphones, video games and vending machines… and they all use coins–but for how long? Examine the historic one-armed bandits and the 21st century, cutting edge, computerized slot machines that occupy Vegas casinos and get an exclusive look at their inner workings in a never-before-seen factory in Reno, Nevada. Search out some of the wackiest, strangest vending machines on the planet that sell everything from bottles of wine to dog washes. Get a close-up look at the famous binoculars located at popular tourist sites around the world, as well as a unique company that collects and cleans the coins thrown into fountains for good luck. But it all starts and ends in the historic halls of the U.S. Mint, where coins are made and destroyed. Will coins one day become obsolete?