Marble caves on General Carrera Lake, Chile (© David A. Barnes/Alamy)
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- Come for the mountain lake.""Stay for the marble caves
- Make sure you spend some time outside the caves.""The region\s difficult to get to, but pays off with serious beauty
- A short drive from one lakeside town to another takes you to a different country.""It\s still the same lake, but it goes by a new name
- Haven\t had enough crazy caves? Head east across the border into Argentina…""Where the cavern walls host 13,000-year-old graffiti
