In a race against developers in the Rocky Mountains, paleontologists uncover a unique fossil site packed with astonishingly well-preserved bones of mammoths, mastodons, and other giant extinct beasts. The discovery opens a highly focused window on the vanished world of the Ice Age in North America.

Lance Lewman
Narrator

Kirk Johnson
Himself - Denver Museum of Nature & Science
Daniel Fisher
Himself - University of Michigan
Ian Miller
Himself - Denver Museum of Nature & Science
Joseph Sertich
Himself - Vertebrate Paleontologist
Eugene Schweig
Himself - United States Geological Survey
Richard Stucky
Himself - Denver Museum of Nature & Science

Charles Darwin and the Tree of Life
Charles Darwin and the Tree of Life

Dinosaur Extinction: Behind the Asteroid Impact Theory
Dinosaur Extinction: Behind the Asteroid Impact Theory

Decoding Neanderthals
Decoding Neanderthals
Gulf Stream and the Next Ice Age
Gulf Stream and the Next Ice Age

When Whales Walked: Journeys in Deep Time
When Whales Walked: Journeys in Deep Time

Titans of the Ice Age
Titans of the Ice Age

The Great Dyings: The Supercut
The Great Dyings: The Supercut
Whatever Happened to the Dinosaurs?
Whatever Happened to the Dinosaurs?

The Mysteries of the Giants
The Mysteries of the Giants

Woolly Mammoth: Secrets from the Ice
Woolly Mammoth: Secrets from the Ice

The Blind Watchmaker
The Blind Watchmaker

The Bones
The Bones