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 ...

Every morning, hundreds of tourists making the trek up to Peru’s Rainbow Mountain must pass by a cross that marks the site of a violent killing. Last year, that’s where a local man — Flavio Illatinco, ...

The first impression is usually confusion rather than awe. From a distance, the slopes look painted in bands that do not ...

At first glance, the mountain in the Peruvian Andes, with its bands of soil the color of turquoise, lavender, red-violet and gold, seems Photoshopped. But the otherworldly sight, standing 16,000 feet ...