Cascada de Fuego: Why the Water at Salto Golondrina Seems to Catch Fire at Sunset

Every afternoon, for just a few minutes, the water at Salto Golondrina ignites without a single flame. Here’s what’s actually happening.
Tepuyes: The Mountains That Predate the Dinosaurs and Still Hide Undiscovered Worlds

The oldest formations on Earth conceal extraordinary waterfalls, unique species, and legends that no one has ever fully decoded.