Los Tres Ojos National Park

The Three Eyes National Park (Spanish: Parque Nacional Los Tres Ojos) is a 50-yard open-air limestone cave located in Mirador del Este park, within the Santo Domingo Este municipality of the Dominican Republic. The park features a series of three lakes, or ojos, and is one of the country's most popular tourist attractions.

Cave data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).