A photograph showing a brightly colored mountain range is frequently shared on social media along with the claim that it depicts the "Rainbow Mountains" in Peru: This photograph does show a real ...

A few years ago, images of Rainbow Mountain in Peru began infiltrating my Instagram feed. The photos showed an above-the-treeline slope that looked like someone had dumped buckets of gold, pink, and ...

Ever seen a city floating above the clouds? That’s Machu Picchu. Terraces climb the mountains like giant green staircases, and stone temples peek through the mist. Built by the Incas without a single ...

The first time most people see a picture of Peru’s Rainbow Mountain, they assume it’s been edited. The bands of red, yellow, green, and turquoise look too perfect to be real. But this geological ...