

NGC goes inside one of the greatest natural marvels on the planet - a giant crystal cave described as Superman's fortress, with magnificent crystals up to 36 feet long and weighing 55 tons. A team of experts venture into the cavern, enduring scorching-hot temperatures that could kill a human after just 15 minutes of exposure. They'll push the boundaries of physical limitation to explore a crevasse that could lead to another - and perhaps more spectacular - crystal cave.
Directed byGary Lang, Gonzalo Infante Castañeda

Featuring

Robin Ward
Narrator (voice)


Keep watching
5.32021·5.3
Shark Gangs
2021 · Film
8.02024·8.0
Povo da Floresta
2024 · Film

1942
The Life Cycle of the Newt
1942 · Film

2009
Saving Flipper
2009 · Film
8.02022·8.0
Tierisch müde - Das Rätsel Schlaf
2022 · Film
7.32021·7.3
Animal
2021 · Film
7.92021·7.9
The Velvet Queen
2021 · Film

2024
The Chileno Valley Newt Brigade
2024 · Film
7.72007·7.7
Earth
2007 · Film

2025
Polar Bear Country
2025 · Film
6.92003·6.9
Deep Blue
2003 · Film

2017
Abenteuer Karibik
2017 · Film

2021
La vérité si je menthe
2021 · Film
6.02012·6.0
National Parks Exploration Series: The Black Hills and The Badlands - Gateway to the West
2012 · Film
7.91983·7.9
Koyaanisqatsi
1983 · Film
7.42017·7.4
Man Among Cheetahs
2017 · Film
6.02010·6.0
Secrets of the King Cobra
2010 · Film
Picked for you
6.62014·6.6
Deepsea Challenge 3D
2014 · Film
6.52020·6.5
Fireball: Visitors from Darker Worlds
2020 · Film
7.52022·7.5
Explorer: The Last Tepui
2022 · Film
7.32023·7.3
Unknown: The Lost Pyramid
2023 · Film
6.92003·6.9
Deep Blue
2003 · Film
8.02017·8.0
The Dawn Wall
2017 · Film
7.32019·7.3
Fantastic Fungi
2019 · Film
7.12010·7.1
Cave of Forgotten Dreams
2010 · Film
7.72017·7.7
Chasing Coral
2017 · Film
7.52022·7.5
Fire of Love
2022 · Film
6.72025·6.7
Shark Whisperer
2025 · Film
7.62023·7.6
The Deepest Breath
2023 · Film
6.82003·6.8
Ghosts of the Abyss
2003 · Film
7.92021·7.9
The Year Earth Changed
2021 · Film
6.22015·6.2
Elstree 1976
2015 · Film
7.92020·7.9
My Octopus Teacher
2020 · Film
7.22022·7.2
Avatar: The Deep Dive - A Special Edition of 20/20
2022 · Film
7.32021·7.3
14 Peaks: Nothing Is Impossible
2021 · Film
6.92006·6.9
An Inconvenient Truth
2006 · Film
6.62024·6.6
Secrets of the Neanderthals
2024 · Film