In this episode: how Newgrange and the winter solstice have captivated the imagination for centuries, and the monument's connections to Irish mythology. Featuring Jessica Smyth, Associate Professor at the School of Archaeology at UCD; Leontia Lenehan, Supervisor Guide at Brú na Bóinne; and Anthony Murphy, mythologist and author of ‘Newgrange - Monument to Immortality’.

Patrick Geoghegan chats to Prof Diarmaid Ferriter on how Ireland was transformed over the past 25 years, as told in his new book The Revelation of Ireland, 1995-2020; we also hear the untold story of the women on Wall Street and the misogyny they faced, from Paulina Bren's new book She Wolves: The Untold History of Women on Wall Street; and how the IRB changed the course of Irish history, with John O’Beirne Ranelagh.

As Notre Dame reopens after its catastrophic fire, Patrick Geoghegan looks at the construction and re-construction of one of the most iconic cathedrals in the world. Joining him are: Dr Emily Guerry, Senior Lecturer in Medieval European History at the University of Kent, Dr Caroline Bruzelius, Professor Emerita of Art and Art History at Duke University, Dr Jennifer M. Feltman, Associate Professor of Art History and Medieval Art at the University of Alabama, and Dr Meredith Cohen, Associate Professor of Medieval Art and Architecture at UCLA.