The volcanic vineyards of La Geria, Lanzarote, Spain
Good article about exploring Tenerife
The unadulterated skies of Tenerife are so clear and devoid of light and air pollution that it is regarded as a premier global site for stargazing ... You can also travel along the 500-year-old Chasna Trail, which still holds the footsteps of those who daily traversed its woods centuries ago. There you can admire a unique moonscape, which has been featured in many movies because of its otherworldliness. Come find yourself beneath a blanket of stars.
The Milky Way over Teide National Park ~ Tenerife Canary Islands, Spain. Centered around 3718 m Mount Teide, the highest mountain of Spain and the islands of the Atlantic and it is the third largest volcano in the world from its base on the ocean floor.
Barranco de los Arcos, Tenerife Spain by Jaime Rodríguez Martín