Extras

Video thumbnail: Nature Why the Giant Sequoia Needs Fire to Grow

Nature

Why the Giant Sequoia Needs Fire to Grow

Learn how the destructive force of fire is necessary for new life.

Why the Giant Sequoia Needs Fire to Grow

Video thumbnail: Nature Yosemite | Preview

Nature

Yosemite | Preview

As climates change and temperatures rise, Yosemite Valley is a wilderness at risk.

Yosemite | Preview