Algar do Carvao | Exploring the Azores Islands
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Descend 100 meters through an ancient lava tube when you travel to Algar do Carvao. Located in the center of Terceira, Algar do Carvão offers travelers a surreal experience in the heart of an extinct volcano.

Entering the volcano’s magma chamber may be a bit daunting for some, but the view of the sky through the cone overhead is bound to take every participant’s breath away.

Explore the unique geology of the volcano and marvel at the lovely hues of green at the upper portions of the cave thanks to the growing ferns and moss. Traveling further down into Algar do Carvão also grants visitors the magnificent view of silica stalactites as well as a visit to a huge lake at the bottom of the chamber with crystal clear waters.

Terceira Island, Azores, Portugal

Rating: ⭐⭐⭐⭐⭐

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