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