Claudio Lozano stands atop Matagorda fort in Cadiz, looking over the Bay of Cadiz. The fort was used to defend against the french navy in the penninsular war in Spain. (National Geographic/Ciaran Henry)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope__03.jpg
Claudio Lozano on the deck, by the wheel of a Punatles ship. The ship was used to defend against the french navy in the penninsular war in Spain. (National Geographic/Ciaran Henry)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope__17.jpg
Claudio Lozano stands atop Matagorda fort in Cadiz, looking over the Bay of Cadiz. The fort was used to defend against the french navy in the penninsular war in Spain. (National Geographic/Ciaran Henry)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope__02.jpg
Claudio Lozano stands on the deck of a Puntales ship, standing by the mast. The ship was used to defend against the french navy in the penninsular war in Spain. (National Geographic/Ciaran Henry)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope__14.jpg
Claudio Lozano stands on the deck of a Puntales ship, standing by the mast. The ship was used to defend against the french navy in the penninsular war in Spain. (National Geographic/Ciaran Henry)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope__15.jpg
Arthur Williams talks about the Spanish Civil War, at Almeria beach, in Spain. (National Geographic/Ciaran Henry)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope__29.jpg
Claudio Lozano stands on the deck of a Puntales ship, standing by the mast. The ship was used to defend against the french navy in the penninsular war in Spain. (National Geographic/Ciaran Henry)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope__11.jpg
Arthur Williams talks about the Spanish Civil War, at Almeria beach, in Spain. (National Geographic/Ciaran Henry)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope__38.jpg
Claudio Lozano stands on the deck of a Puntales ship, standing by the wheel of the ship. The ship was used to defend against the french navy in the penninsular war in Spain. (National Geographic/Ciaran Henry)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope__07.jpg
Onteka Nubio standing inside a courtyard in the Alcazaba Fort in Malaga, looking out onto Malaga city. Alcazaba was built to defend from Moorish armies in Spain. (National Geographic/Ciaran Henry)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope__48.jpg
Onyeka Nubia walks along the defensive walls of the Gibralfaro in M·laga, Spain. (National Geographic)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope_HD__64.jpg
Claudio Lozano investigates the tunnels under C·diz with expert Euegenio, in Spain. (National Geographic)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope_HD__58.jpg
Claudio Lozano is pictured off the coast of C·diz, Spain. (National Geographic)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope_HD__59.jpg
Claudio Lozano looks out from Castillo de Santa Catalina in C·diz, Spain. (National Geographic)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope_HD__65.jpg
Claudio Lozano stands atop Matagorda fort in Cadiz, looking over the Bay of Cadiz. The fort was used to defend against the french navy in the penninsular war in Spain. (National Geographic)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope_HD__61.jpg
Claudio Lozano stands atop Matagorda fort in Cadiz, looking over the Bay of Cadiz. The fort was used to defend against the french navy in the penninsular war in Spain. (National Geographic)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope_HD__60.jpg
Children's graffiti depicting war in the refugios tunnels under Almeria, Spain. (National Geographic)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope_HD__62.jpg
Onteka Nubio stands on the Alcazaba Fort in Malaga, looking out onto Malaga city. Alcazaba was built to defend from Moorish armies in Spain. (National Geographic/Ciaran Henry)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope__41.jpg
Arthur Williams is pictured in the city of Almeria, Spain. (National Geographic)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope_HD__53.jpg
Onteka Nubio stands on the Alcazaba Fort in Malaga, looking out onto Malaga city. Alcazaba was built to defend from Moorish armies in Spain. (National Geographic/Ciaran Henry)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope__43.jpg
Arthur Williams investigates the refugios tunnels under the city of Almeria, Spain. (National Geographic)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope_HD__54.jpg
Onteka Nubio standing inside a courtyard in the Alcazaba Fort in Malaga, looking out onto Malaga city. Alcazaba was built to defend from Moorish armies in Spain. (National Geographic/Ciaran Henry)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope__47.jpg
Onteka Nubio stands on the Alcazaba Fort in Malaga. Alcazaba was built to defend from Moorish armies in Spain. (National Geographic/Ciaran Henry)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope__46.jpg
Arthur Williams investigates the refugios tunnels under the city of Almeria, Spain. (National Geographic)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope_HD__55.jpg
Arthur Williams is pictured next to a Messerschmitt 109 plane in Spain. (National Geographic)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope_HD__57.jpg
Onteka Nubio stands on the Alcazaba Fort in Malaga, looking out onto Malaga city. Alcazaba was built to defend from Moorish armies in Spain. (National Geographic/Ciaran Henry)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope__45.jpg
Arthur Williams investigates the refugios tunnels under the city of Almeria, Spain. (National Geographic)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope_HD__56.jpg
Arthur Williams is pictured in one of the tunnels underneath Almeria called the "Refugios" next to caving done by soldiers in Spain. (National Geographic/Ciaran Henry)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope__22.jpg
Arthur Williams talks about the Spanish Civil War, at Almeria beach, in Spain. (National Geographic/Ciaran Henry)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope__36.jpg
Arthur Williams talks about the Spanish Civil War, at Almeria beach, in Spain. (National Geographic/Ciaran Henry)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope__37.jpg
Arthur Williams is pictured in one of the tunnels underneath Almeria called the "Refugios" next to caving done by soldiers in Spain. (National Geographic/Ciaran Henry)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope__23.jpg
Claudio Lozano stands on the deck of a Puntales ship, standing by the wheel of the ship. The ship was used to defend against the french navy in the penninsular war in Spain. (National Geographic/Ciaran Henry)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope__09.jpg
Arthur Williams and Silvia Villarnelll sat across from each other in tunnels underneath Almeria called the "Refugios" in Spain. (National Geographic/Ciaran Henry)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope__21.jpg
Arthur Williams and Silvia Villarnelll sat across from each other in tunnels underneath Almeria called the "Refugios" in Spain. (National Geographic/Ciaran Henry)Episode: #6 "Spain"Air Date 09/26/2024106_Spain_DefendingEurope__20.jpg