10 spectacular natural infinity pools in the world (With Pictures)

6. Caldeira Velha

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The geothermal springs of Caldeira Velha, too, lies in of São Miguel of Azores in Portugal. But Caldeira Velha offers a different kind of visual experience, being ensconced in the rainforest, away from the rocky shores and tidal pools. It sits pretty at the foot of a waterfall, amidst lush vegetation. Secured within the rust-coloured rocky walls is the welcoming pool with mineral-rich warm water.