Castle of St John the Baptist Castle of St John the Baptist The Castle of St John the Baptist ("Castillo de San Juan Bautista"), also called Black Castle ("Castillo Negro") , in the city of Santa Cruz de Tenerife in the Canary Islands of Spain, was the second most important fort in the defense of Santa Cruz de Tenerife. It is located in the heart of the capital near the Parque Marítimo César Manrique and behind the Auditorio de Tenerife. Its construction was started in 1641 and completed in 1644. It was later rebuilt in 1765 with the addition of a cylindrical tower facing the sea.
Tenerife in Tenerife. Aside from Parque Nacional del Teide, it counts the Parque Natural de Canarias (Crown Forest), two rural parks (Anaga and Teno), four integral natural reserves, six special natural reserves, a total of fourteen natural monuments, nine protected landscapes and up to six sites of scientific interest. Also located on the island Macizo de Anaga since 2015 is Biosphere Reserve and is the place that has the largest number of endemic species in Europe. Tenerife island's government resides with the Cabildo Insular de Tenerife located at the Plaza de España at the island's capital city (Palacio Insular de Tenerife).