NOVA

Arctic Sinkholes Preview

Colossal explosions shake a remote corner of the Siberian tundra, leaving behind massive craters. In Alaska, a huge lake erupts with bubbles of inflammable gas. Scientists are discovering that these mystifying phenomena add up to a ticking time bomb, as long-frozen permafrost melts and releases vast amounts of methane, a potent greenhouse gas.

Arctic Sinkholes Preview

30s

  • Baltimore Bridge Collapse: asset-mezzanine-16x9

    Baltimore Bridge Collapse

    S52 E6 - 53m 32s

    On March 26, 2024, a massive container ship plowed into the Francis Scott Key Bridge, killing six highway workers. How did the ship lose control? Why did the bridge fail so catastrophically? And how many other bridges around the world are at risk?

  • Pompeii's Secret Underworld: asset-mezzanine-16x9

    Pompeii's Secret Underworld

    S52 E5 - 53m 40s

    For over two centuries, archaeologists have hailed Pompeii as a sophisticated city at the heart of an advanced ancient civilization. But a series of new excavations is painting a much more complex picture of the city tragically buried by the eruption of Mount Vesuvius in 79 CE.

  • Moving soon to WETA Passport

    Egypt's Tombs of Amun: asset-mezzanine-16x9

    Egypt's Tombs of Amun

    S52 E4 - 53m 40s

    Follow archaeologists as they discover a long lost ancient cemetery in Egypt’s sacred desert. Treasures emerge unlike anything seen by the team, revealing details of a unique period, when women had extraordinary power.

WETA Passport

Stream tens of thousands of hours of your PBS and local favorites with WETA Passport whenever and wherever you want. Catch up on a single episode or binge-watch full seasons before they air on TV.