Into the Lost Crystal Caves

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.

Genre:

Documentary

Duration:

-

Cast:

Robin Ward

Quality:

HD

Director:

Gary Lang, Gonzalo Infante Castañeda

Release:

2010

Country:

Canada, Mexico

Rating:

6.0