Caves of Glass is a documentary from director Sid Perou's Realm of Darkness series, focusing on the ice caves of the Austrian Tennengebirge Alps, including the Eisriesenweld and Eiskogelhöhle. It features Austrian speleologist Fritz Oedl, Belgian speleologist Guy Meauxsoone, and Ian "Tommo" White of the Northern Caving Community. First broadcast on Channel 4 on February 15, 1986, it won a Special Mention at the 5th Barcelona International Festival of Esoteric Cinema that same year.

Cave of Forgotten Dreams
2010
7.1/10

The Alpinist
2021
7.8/10

Explorer: The Last Tepui
2022
7.5/10

Mountain
2017
6.9/10

Atlantis Rising
2017
6.1/10

The Dawn Wall
2017
8.0/10

Encounters at the End of the World
2007
7.5/10

Valley Uprising
2014
7.7/10

Secrets of the Saqqara Tomb
2020
7.3/10

Justin Bieber's Believe
2013
6.9/10

The Great White Silence
1924
7.8/10

Selena Gomez: My Mind & Me
2022
8.5/10

180° South
2010
7.3/10

Deepsea Challenge 3D
2014
6.6/10

Katy Perry: Part of Me
2012
7.1/10

Looking for Richard
1996
6.8/10

My Mom Jayne
2025
8.0/10

Free Solo
2018
7.9/10

Fire of Love
2022
7.5/10

The Captains
2011
6.4/10
Anaconda 3: Offspring
2008
4.6/10