Why it's incredible: The marble walls reflect the turquoise color of the water in the cave, tinting them blue. The Marble Caves are natural rock formations with curved walls covered in swirling ...

Add Yahoo as a preferred source to see more of our stories on Google. On the border between Chile and Argentina, on the edges of a turquoise lake in the heart of Patagonia, one of the world's most ...

Nature’s slow artistry: Over 6,000 years, waves and glacial meltwater carved marble into intricate caves, arches, and tunnels with swirling colors and patterns. A living light show: Seasonal water ...

Tucked deep within the remote reaches of Patagonia, one of the planet's most extraordinary geological wonders sits quietly on the shores of a shimmering glacial lake. The Marble Caves, known locally ...