My friend Paula gave me some of her heirloom carrots seeds. They are so fresh you can even smell the carrot scent on them. Look how they come in a head like dill, interesting huh. Then you just knock off the seeds to plant them.

Below is a great link explaining the process of getting seeds from heirloom carrots.

http://www.gardeningknowhow.com/edible/vegetables/carrot/saving-carrot-seeds.htm