This mountaintop observatory is home to one of the world's largest reflective telescopes.

The four landings commemorate a royal visit to Europe's biggest observatory.

A series of well-preserved ruins show the culture of the ancient Benehoaritas people.

The world's largest single-aperture telescope resides in the Canary Islands.

Indigenous cultures believed all life would end if this enormous rock toppled.

The oldest Marian image in the Canary Islands still impresses people nearly half a millennium later.

These crevices cut into the mountains collect the island’s main source of precious freshwater.

These wooden balconies that are both decorative and functional.

Behind this pair of dragon trees, there is a tragic story of lost love.

The longest eruption in the history of La Palma originated with this volcano in September 2021.

On La Gomera, "Silbadors" communicate in a 4,000-word language of whistles.

This local emblem is the oldest and largest dragon tree in the Canary Islands.

This unique rock formation is quite the local celebrity, although one day it may come crashing down.

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

A large collection of solar and night-time telescopes dot a small area on the Teide mountain range.

A space-grade telescope mirror lies discarded in the shrubs.

Lava stone structures possibly dating back to the 19th century may have been a stopping point for voyagers between ancient Egypt and the Mayan Civilization.

The castle was reconstructed to fit Kaiser Wilhelm II's romanticized vision of the Middle Ages.