Into the Lost Crystal Caves
- Bliain: 2010
- Tír: Canada, Mexico
- Seánra: Documentary
- Stiúideo: National Geographic
- Eochairfhocal: cavern, crystal, geology, crystal cave, nature documentary
- Stiúrthóir: Gary Lang, Gonzalo Infante Castañeda
- Caitheadh: Robin Ward