It is by subscription. As a big city, this place does have all of the wonderful things a big city has to offer. They were mechanical geniuses, visionaries and entrepreneurs who literally had their fingerprints on every tractor they built. Now you can get a better understanding of the quality of the screen, the colours etcetera. My baby brother is sixteen now, will receive a scholarship to Yale for baseball and hopes to become an engineer or an architect. It's a pretty neat show They talk about everything from ghosts to alien abductions, to space travel.