They've also reintroduced other "antique" versions of foodstuffs in the US. You can get the seeds off the internet. A recent interesting one is in the Lowcountry of SCaro and GA--a kind of black-eyed pea grown and eaten by subsistence farmers, Indians, and slaves.
Varieties of tomatoes are particularly interesting, and make for gorgeous fresh salsas. I'm trying to grow a white tomatoe this summer.