National Geographic Documentary Films is committed to bringing the world premium documentaries that cover timely, provocative and globally relevant stories from the very best documentary filmmakers in the world. Furthering knowledge and understanding of our world has been the core purpose of National Geographic for over 130 years, and today we are committed to going deeper, going further, and continuing to push boundaries through the beauty and power of documentary filmmaking. Explore some first-look photos from the upcoming film "Time and Water."

An ice cave in Iceland. (credit: National Geographic)

Two people on a row boat in a glacial lagoon.  (credit: Archival Materials Courtesy of Andri Snær Magnason)

Glacial tongue descends into glacial lagoon.  (credit: National Geographic)

A glacial tongue behind a waterfall.   (credit: National Geographic)

Glacial tongue descends into glacial lagoon.  (credit: National Geographic)

Glacial ice formations.  (credit: National Geographic)

Stream runs down glacial ice covered in volcanic ash.  (credit: National Geographic)

A glacial tongue behind a waterfall.   (credit: National Geographic)

Birdcliff in western Iceland.  (credit: National Geographic)

Melting arc made of glacial ice.  (credit: National Geographic)

Two people hike up slope in glacier.   (credit: Archival Materials Courtesy of Andri Snær Magnason)

Little Andri in a field with glacier terns flying above him.   (credit: Archival Materials Courtesy of Andri Snær Magnason)

Strong winds lift snow off a glacial cap on a sunny day.  (credit: National Geographic)

Little Andri stands by rocks on a grassy slope.   (credit: Archival Materials Courtesy of Andri Snær Magnason)

Women walk in skis on glacier.  (credit: Archival Materials Courtesy of Andri Snær Magnason)

People stand on volcanic rocks.  (credit: Archival Materials Courtesy of Andri Snær Magnason)

A silhouetted person stands beneath the vaulted ceiling of a glacial cave in Iceland. (Archival Materials Courtesy of Andri Snær Magnason)

Icelandic Glaciological Society member, Árni Kjartansson, sits overlooking a glacier in Iceland. (Archival Materials Courtesy of Andri Snær Magnason)