In host Marco Werman’s latest conversation with National Geographic Explorer Paul Salopek, Salopek arrives at the shores of Incheon in South Korea. He explores an old fort there connected to the US invasion of South Korea in 1871 — a history largely unknown by many in the US and one that impacted the Korean Peninsula’s history for decades to follow.

In the Indian tech hub of Bengaluru, water has become a precious commodity. One initiative leverages an age-old, well-digging technique to help residents tap into a forgotten source. 

In Paraguay, the Indigenous Guaraní language is spoken as an official language alongside Spanish. Most Paraguayans speak Guaraní or a mixture of Spanish and Guaraní as their first language, whether they are of Indigenous descent or not. 

Itaipu is one of the largest hydroelectric plants in the world. It provides electricity to 80 million people in Brazil and Paraguay. Not only is it huge, but it represents a unique model of cross-border energy cooperation.

The tiny landlocked South American country of Paraguay is one of the top soy producers on the planet. Soy is the country’s top export and it accounts for a major chunk of the country’s gross domestic product. But the soy explosion has wreaked havoc on Paraguay’s ecosystem and been a disaster for many small farmers whose farms have been inundated with pesticides from neighboring soy plantations.