Extras

Video thumbnail: NOVA Secrets of the Ghost Forest

NOVA

Secrets of the Ghost Forest

Meet the earthquake that drowned the Pacific Northwest.

Secrets of the Ghost Forest

Video thumbnail: NOVA Making North America: Origins Preview

NOVA

Making North America: Origins Preview

Experience the colossal geologic forces that shaped our continent over 3 billion years.

Making North America: Origins Preview

Video thumbnail: NOVA Time Travel in the Grand Canyon

NOVA

Time Travel in the Grand Canyon

What does this geological wonder reveal about North America’s deep history?

Time Travel in the Grand Canyon

Video thumbnail: NOVA Making North America Sneak Peek

NOVA

Making North America Sneak Peek

Host Kirk Johnson explores how the continent was shaped—and how it shaped us.

Making North America Sneak Peek