Ice Age Death Trap

Himself - Denver Museum of Nature & Science

Polar Extremes

Self - Host

Hvor træerne blokerer for lyset

Eric 'Concerned Ranger' Jones

Prehistoric Worlds

Self - Paleontologist and Director, Smithsonian

24 Hours After: Asteroid Impact

Ice Age Footprints

Self - Host

Making North America

Self - Host

Walrus: Life on Thin Ice

Self - Presenter