These Marble Caves Took 6,000 Years for Nature to Sculpt

One of the world’s regions most known for its natural beauty is Patagonia. From its terraced plains to its craggy peaks, the southernmost tip of South America features a cornucopia of topographical delights. One of the organic formations that stand out from the rest is located on General Carrera Lake, which divides part of Argentina and Chile. (Also known as Lake Buenos Aires, the 1,850-square-kilometer pool of glacial runoff appears neon blue due to its clarity and the sky’s reflection.)

This isolated lake is home to a unique geological formation that took more than 6,000 years to form. The Marble Caves are a set of hourglass-like caverns and columns carved out by waves over millennia. Enjoy a visual tour of this otherworldy phenonenon below.

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