- Lago Epecuén Carhué Argentina
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The lake is famous to be very salty, second only to the Dead Sea, and its waters were used for therapeutic purpose.
On 6th November 1985 a rare climatic event caused a "seiche" (standing wave) in the lake, which broke the dam and the water started to slowly raise, up to 10m (30ft.) over the normal level in 1993, submerging the whole village.
The water started to recede and the the village was again at the sunlight in 2009, after 24 years.
Now the aspect is that of a ghost city.