You'll also find many wonderful examples up in the northeastern province of Samaná, with three standouts, all featuring fantastic stalactites (limestone formations hanging down, formed by dripping water) and stalagmites (growing upward): the Cueva Religiosa, the Cueva de la Arena (also with Taíno art), and the Cueva de San Gabriel (pictured here, the largest in the area, believed to have been a onetime pirates of the Caribbean hideout and location of buried treasure). 

Read more in our post Notes from the Underground: The Intriguing Caves of the Dominican Republic.

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