Camera pointing to the sky. 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

The Telescopio Nazionale Galileo (TNG), with a primary mirror of 3.58m, is the national facility of the Italian astronomical community, and is located at Roque de Los Muchachos Observatory (ORM)

Via: TNG telescopio nazionale galileo

Mount Teide view from one of the observatory web cams. During sunset, there is a nice contrast of Teide and the sky. Sometimes there is no visibility at all, when the sea cloud is around the vulcano.

Webcam Source: Telescope.org webcams