The Mariana Trench: Exploring the Deepest, Weirdest Place on Earth

This film plunges into the Mariana Trench, the deepest place on Earth, on a journey through the ocean's most hostile and mysterious zones. It follows the historic 1960 dive of the bathyscaphe Trieste and the later work of explorers like Robert Ballard. The descent reveals a world of crushing pressure and bizarre life. It is a thrilling watch for anyone fascinated by the deep sea and the frontier still waiting at the bottom of the ocean. Free to watch in HD on Dr Documentary.

Courtesy of Documentary on YouTube. Watch on YouTube ↗

Sponsored

More Nature & Wildlife Documentaries

A Journey Across Our Planet: Planet Earth II in 4K2024•1h 55m•4K•★8.8David Attenborough: A Life on Our Planet2020•6h 21m•HD•★8.8David Attenborough's Light on Earth2026•52m•4K•★8.6The Spider's Web: Britain's Second Empire2018•1h 18m•HD•★8.6Incredible Wildlife Scenes Narrated by David Attenborough | BBC Earth | BBC Studios2025•1h 1m•HD•★7.9Surviving Deserts (Full Episode) | Hostile Planet2024•47m•4K•★7.8Beasts of Masai Mara2024•28m•4K•★7.7Cannibal Sharks: Shark vs. Shark (Full Episode) | SPECIAL | Nat Geo Animals2026•44m•4K•★7.7Silverback Gorillas: Kings of the Congo | Ultra HD2026•48m•4K•★7.7African Wild Dogs vs Hyenas2024•5m•4K•★7.6Discover the Channel Islands: America's National Parks2026•44m•4K•★8.2What Are Oysters and Where Do They Come From? The Mysteries of the Oyster2021•52m•HD•★8.0