On this episode of Oddity Odysseys, hosts Bethany Guerrero and C. Drew Unser discover the ruins of the St. Francis Dam in San Francisquito Canyon and learn about the 1928 disaster that claimed more than 400 lives. Dr. Alan Pollack, president of the Santa Clarita Valley Historical Society, and Dianne Erskine-Hellrigel, president of the Community Hiking Club, join Bethany and Drew on location to tell the story