Dig into ancient treasures and history you may not have known in this "CBS Saturday Morning" marathon. 0:00 "Spitfires" tells the story of heroic women during World War II 5:53 Ancient canals revive Mexico City's past 12:44 The Camino de Santiago trek adapts to the 21st century 20:16 NYC's Morgan Library celebrates 100 years and historic librarian 28:20 New book chronicles dark chapter in U.S. military history 34:25 A look back at New York City's historic Floyd Bennett Field 42:36 Inside construction on the Theodore Roosevelt Presidential Library 50:11 Brutalist, modern architecture have moment in the spotlight 58:07 Archaeologists discover ancient tools dating back millions of years 1:05:55 Restoration allows for new look at the life of Marie Antoinette 1:13:41 How historical turning points shaped the United States Each weekday morning, "CBS Mornings" co-hosts Gayle King, Tony Dokoupil and Nate Burleson bring you the latest breaking news, smart conversation and in-depth feature reporting. "CBS Mornings" airs weekdays at 7 a.m. on CBS and stream it at 8 a.m. ET on the CBS News app. Subscribe to “CBS Mornings” on YouTube: / cbsmornings Watch CBS News: https://cbsnews.com/live/ Download the CBS News app: https://cbsnews.com/mobile/ Follow "CBS Mornings" on Instagram: / cbsmornings Like "CBS Mornings" on Facebook: / cbsmornings Follow "CBS Mornings" on Twitter: / cbsmornings Subscribe to our newsletter: https://cbsnews.com/newsletters/ Try Paramount+ free: https://paramountplus.com/?ftag=PPM-0... For video licensing inquiries, contact: [email protected]