Tenerife at the entry port to the capital (in the southern part of Port of Santa Cruz de Tenerife). Another prominent structure is the Torres de Santa Cruz, a skyscraper high (the highest residential building in Spain and one of the tallest skyscrapers in the Canary Islands). The island also has several archaeological sites of Guanche time (prior to the conquest), which generally are cave paintings that are scattered throughout the island, but most are found in the south of the island. Two of the most important archaeological sites on the island are the Cave of the Guanches, where the oldest
Canary Islands third tallest volcano on Earth on a volcanic ocean island. All the islands except La Gomera have been active in the last million years; four of them (Lanzarote, Tenerife, La Palma and El Hierro) have historical records of eruptions since European discovery. The islands rise from Jurassic oceanic crust associated with the opening of the Atlantic. Underwater magmatism commenced during the Cretaceous, and reached the ocean's surface during the Miocene. The islands are considered as a distinct physiographic section of the Atlas Mountains province, which in turn is part of the larger African Alpine System division. In the summer of