Dive into the fascinating world of underground construction with this curated list of documentaries. From the engineering marvels of subway systems to the intricate tunnels that snake beneath cities, these films offer a glimpse into the challenges, innovations, and sheer human determination involved in building beneath the earth's surface. Whether you're an engineering enthusiast, a history buff, or simply curious about what lies below, this collection promises to enlighten and entertain.

The Tunnel (2011)
Description: This documentary explores the construction of the Sydney Harbour Tunnel, detailing the engineering feats and the political drama that unfolded during its creation.
Fact: The film includes exclusive interviews with engineers who worked on the project, revealing behind-the-scenes stories.


Tunnel Vision (2008)
Description: A look at the Channel Tunnel, one of the most ambitious engineering projects of the 20th century, connecting England and France.
Fact: The documentary features rare footage from the construction site, showcasing the massive boring machines used.


Underground (2012)
Description: This film delves into the construction of the London Underground, exploring its history, expansion, and the future plans for this iconic transport system.
Fact: It includes interviews with historians and engineers who discuss the impact of the Underground on London's development.


Beneath the City (2015)
Description: A documentary about the New York City subway system, focusing on its construction, the challenges faced, and its cultural significance.
Fact: The film features never-before-seen archival footage from the early days of subway construction.


The Big Dig (2004)
Description: Chronicles the Central Artery/Tunnel Project in Boston, known as "The Big Dig," one of the most expensive and complex highway projects in U.S. history.
Fact: The documentary includes interviews with project managers who share insights into the project's cost overruns and delays.


Tunnel to the Future (2017)
Description: Focuses on the construction of the Gotthard Base Tunnel in Switzerland, the world's longest and deepest railway tunnel.
Fact: The film highlights the environmental considerations and the use of cutting-edge technology in its construction.


The Metro (2010)
Description: An in-depth look at the construction of the Delhi Metro, showcasing how it transformed the city's transportation landscape.
Fact: It includes interviews with local residents whose lives were directly impacted by the Metro's construction.


Subterranean Secrets (2013)
Description: Explores the hidden tunnels and bunkers beneath cities like Moscow and Berlin, revealing their historical and strategic importance.
Fact: The documentary uncovers secret Cold War-era bunkers, providing a chilling look at past geopolitical tensions.


Tunneling Through Time (2019)
Description: This documentary traces the evolution of tunneling technology from ancient times to modern mega-projects.
Fact: It features animations to illustrate how ancient tunneling techniques were adapted for modern use.


Deep Down (2016)
Description: A journey into the world of deep mining and the construction of tunnels for mining operations, focusing on safety and innovation.
Fact: The film includes a segment on the rescue operations following a mining disaster, showcasing the human side of underground work.
