ruins and museum of the san cristóbal castle in santa cruz de tenerife

canaria rock formation tourist attraction red view sky natural european destination tourism holiday national vacation tour stone outdoor blue visit landscape volcanic crater nature canary europe volcano tenerife spain islands panorama island landmark mountain teide park peak lava caldera mount canaries famous sightseeing sight unesco sights travel entertainment discovery sunny day harbour historical foreground monument building black castle beautiful defensive place architecture coast city fort culture oldest outdoors santa cruz fortifications history interesting old town historic landscapes ruins museum cristã³bal tenerife