Chaco Canyon, located in northwest New Mexico, is perhaps the only site in the world constructed in an elaborate pattern that mirrors the yearly cycle of the sun and the 19-year cycle of the moon. How did an ancient civilization, with no known written language, arrange its buildings into a virtual celestial calendar, spanning an area roughly the size of Ireland?

Robert Redford
Narrator (voice)
Paul Pino
Self - Council Member, Laguna Pueblo
John Stein
Self - Archaeologist
Mike Marshall
Self - Archaeologist
Rich Friedman
Self - Geologist
Anna Sofaer
Self - Archaeoastronomer
Phil Tuwaletstiwa
Self - Geodesist, Hopi Tribe
Edmund J. Ladd
Self - Archaeologist, Zuni
Dave Warren
Self - Ethnohistorian, Santa Clara Pueblo
Petuuche Gilbert
Self - Historian, Acoma Pueblo

Pluto and Beyond
Pluto and Beyond

The Boy Who Found Gold
The Boy Who Found Gold

Sardinia, The Mysterious Civilization of The Nuraghi
Sardinia, The Mysterious Civilization of The Nuraghi

Svalbard
Svalbard

Surviving Columbus
Surviving Columbus

The 13th Warrior
The 13th Warrior

Apocalypto
Apocalypto

Valley of the Kings: The Lost Tombs
Valley of the Kings: The Lost Tombs

Fat Man and Little Boy
Fat Man and Little Boy

Twinkl
Twinkl

Black Hole Hunters
Black Hole Hunters

Alerte aux astéroïdes
Alerte aux astéroïdes