History

Why does this river in Thailand glow once a year?

On one night every year, a river in Southeast Asia begins to glow. Out of the dark water, silent balls of reddish fire rise up into the sky, and then vanish. There can be dozens of them.

Watch the episode · 90 seconds

The full written article for this episode is on its way. In the meantime, the 90-second episode above covers the story. Browse all articles →

Full Articles

Natural Disaster · 1958 The Lituya Bay Megatsunami Read → Maritime Mystery · 1900 The Flannan Isles Lighthouse Read → Climate · 536 AD The Year the Sun Went Dark Read →