Edificio Telefónica is a historic building located on Gran Vía. It was once the tallest building in Madrid and is considered an architectural landmark. The building was constructed in the early 20th century and served as the headquarters of the Spanish telecommunications company, Telefónica. Today, it houses a cultural center and exhibition space. Visitors can explore the building's impressive architecture and learn about the history of telecommunications in Spain. The rooftop of Edificio Telefónica also offers panoramic views of Madrid.
