of the old castillo to san marco, some banished forces from a banished time, centuries past, ponce deleon pushed on to seek a magic fountain of eternal youth. >> sunday on american artifacts we visit africa town, a national historic landmark neighborhood in mobile alabama. >> >> we want to negotiate with timothy mayor, whatever it takes to get us out of this. every friday when it came time to get paid, that money went for food, clothing and shelter, never had any discretionary money. this came to the resolve that they had to stay in this community, they didn't understand the language, the customs, but they made a way out and brought their customs, their culture to this community and they said this is our africa town. >> this memorial day weekend on american history tv on c-span 3. .. >> here are some programs to watch out for. best selling author james patterson talks about his latest book on the kennedy family and his efforts to assist bookstores affected by the pandemic. time magazine national political correspondent molly ball on the life and career of nancy pelosi. nick adams, founder