Wikipedia
Torrespaña (literally "Spain Tower") is a steel-and-concrete television tower located in Madrid, Spain. National terrestrial television channels RTVE, Telecinco and Antena 3, as well as the autonomic channel Telemadrid, along with a few radio stations, broadcast from the tower.
The tower was built in 1982, commemorating the FIFA World Cup celebrated in Spain that year. The building was administered by RTVE until 1989, when control over radio and television emissions in Spanish territory was given to Retevisión. It is not open for tourists.
The Torrespaña tower is generally known in Madrid as the "Pirulí", given the similarity between the tower and a particular type of lollipop of conical shape very popular in Spain in the eighties.
It is located in a depression, next to the M30 highway. Most of central Madrid lies to the W and NW. According to Google Earth, the terrain altitude at the site is whereas about to the NW it is about and rises to even further north. Add about height for the average building and the base of the tower is about below the rooftops in that area. The top of the tower is directly visible from most rooftops of Madrid, but it initially was thought and built to enhance television coverage in Southern Madrid.