5Marble Caves at General Carrera Lake, Chile
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Spelunking is at its best inside these caves. The interiors seem like marbles that have been carved and transformed into colourful swirls. Situated in the glacial lake of General Carrera, these solid marble caves are accessible via a boat tour on the crystal blue waters of the lake and have been sculpted by the crashing waves for more than 6,000 years. Click the next ARROW to see the next image!