Hidden Beneath the Cities “Subterranean Seoul and Railway Revealed” S1E9 May 22 2026 on National Geographic
On Friday May 22 2026, National Geographic broadcasts Hidden Beneath the Cities!
Subterranean Seoul and Railway Revealed Season 1 Episode 9 Episode Summary
The upcoming episode of “Hidden Beneath the Cities” titled “Subterranean Seoul and Railway Revealed” promises to take viewers on an exciting journey through some of the world’s most intriguing underground sites. This episode, airing on National Geographic, will explore the hidden layers of history and mystery that lie beneath major urban areas.
One of the highlights of this episode is the discovery of a massive underground chamber located beneath the bustling Seoul subway. This chamber is not just a simple storage area; it holds secrets and stories from the past that await exploration. The team will delve into its history and significance, providing insights into what this space means for the city and its residents.
In addition to Seoul, the episode will also transport viewers to Poland, where a medieval knight’s limestone tomb is waiting to be examined. This tomb is a testament to the rich history of the region and sheds light on the lives of those who lived centuries ago. The exploration of this site will reveal fascinating details about medieval life and the customs surrounding burial practices.
The journey continues in England, where the team will investigate Roman ruins hidden beneath an ancient church. This discovery highlights the layers of time that cities often conceal, showing how different cultures have left their mark on the landscape. The episode will shed light on the significance of these ruins and their connection to the church above.
Lastly, the episode will feature a puzzling 10-million-year-old fossil found in Los Angeles. This fossil raises questions about the past and the creatures that once roamed the area. The team will analyze the fossil and discuss its importance in understanding the Earth’s history and evolution.
“Subterranean Seoul and Railway Revealed” is set to be a captivating episode that combines history, archaeology, and the thrill of discovery. Each segment offers a unique glimpse into the hidden aspects of cities around the world, showcasing how much there is to learn from what lies beneath. Fans of history and exploration will not want to miss this intriguing journey into the depths of urban landscapes.
What Time is the “Subterranean Seoul and Railway Revealed” Episode On?
The Subterranean Seoul and Railway Revealed episode of Hidden Beneath the Cities will be broadcast on May 22 2026 on National Geographic at 9:00 PM at ET/PT.
Is the “Subterranean Seoul and Railway Revealed” Episode New?
The Subterranean Seoul and Railway Revealed episode of Hidden Beneath the Cities is all new!
Hidden Beneath the Cities Subterranean Seoul and Railway Revealed Cast & Stars
No cast information available yet.
Subterranean Seoul and Railway Revealed Episode Videos & Previews
Watch Hidden Beneath the Cities Subterranean Seoul and Railway Revealed Online
Watch Hidden Beneath the Cities on National GeographicHidden Beneath the Cities Series Information
Hidden Beneath the Cities is a National Geographic documentary series that explores the hidden underground infrastructures and natural processes beneath major cities around the world. Using on-site investigations, expert interviews, and visualizations, it examines how subterranean systems—such as tunnels, aquifers, and other buried structures—shape urban life and influence risk, resilience, and development.
