Pyramids of Guimar is an archaeological site located on the island of Tenerife, in the Canary Islands. It consists of six large pyramids, built between 1000 and 500 BC, and is the only known example of pre-Hispanic monumental architecture in the Canary Islands. The pyramids
From Wikipedia
The Pyramids of Güímar are six rectangular pyramid-shaped, terraced structures built from lava stone without the use of mortar. They are located in the district of Chacona, part of the town of Güímar on the island of Tenerife in the Canary Islands, Spain. The structures have been dated to the 19th century AD and were built as part of the lucrative exploitation of cochineal. These pyramids stand as high as 12m.