Night view of Puerto de la Cruz from Teide observatory. The Bradford Robotic Telescope installation is part of the Teide Observatory site of the IAC (Instituto De Astrofisica De Canarias). This observatory is the best in Europe and is placed at 2,400 metres (7,874 feet) above the sea, on the northern part of the volcano caldera.
Source: Telescope.org

El Medano beach view (low quality)

Webcam source: Medano.com

East view of Santa Cruz de Tenerife roofs.

Webcam source: Metbee