Astronomy: stars in the night sky, with Encke's comet. Coloured engraving by J. Basire, 1851 after C. Piazzi Smyth. https://www.rawpixel.com/image/13951053/image-star-galaxy-spaceFree Image from public domain license
Specimen of the malpays of black lava near Alta Vista by Charles Piazzi Smyth https://www.rawpixel.com/image/14321391/specimen-the-malpays-black-lava-near-alta-vista-charles-piazzi-smythFree Image from public domain license
Alta Vista Observatory, from the northern lava ridge by Charles Piazzi Smyth https://www.rawpixel.com/image/14315726/alta-vista-observatory-from-the-northern-lava-ridge-charles-piazzi-smythFree Image from public domain license
Volcanic "Blowing Cone" in Orotava, on the northern coast of Teneriffe by Charles Piazzi Smyth https://www.rawpixel.com/image/14321385/image-person-cross-artFree Image from public domain license
Peak of Teneriffe, from Orotava, on the northern coast by Charles Piazzi Smyth https://www.rawpixel.com/image/14319969/peak-teneriffe-from-orotava-the-northern-coast-charles-piazzi-smythFree Image from public domain license
Sheepshanks telescope first erected on Mount Guajara, the Peak of Teneriffe in the distance by Charles Piazzi Smyth https://www.rawpixel.com/image/14321176/image-person-art-clothingFree Image from public domain license
Specimen of the malpays of black lava near Alta Vista by Charles Piazzi Smyth https://www.rawpixel.com/image/14314467/specimen-the-malpays-black-lava-near-alta-vista-charles-piazzi-smythFree Image from public domain license
Cliff and floor of the Great Crater, 8 miles in diameter and 7000 feet above the sea, under Mount Guajara by Charles Piazzi… https://www.rawpixel.com/image/14320123/image-person-art-seaFree Image from public domain license
Close view of Alta Vista Observing Station from the east, altitude 10,702 feet by Charles Piazzi Smyth https://www.rawpixel.com/image/14319136/image-public-domain-walls-natureFree Image from public domain license
Young dragon trees (Dracæna draco) near Orotava by Charles Piazzi Smyth https://www.rawpixel.com/image/14314471/young-dragon-trees-dracaena-draco-near-orotava-charles-piazzi-smythFree Image from public domain license
Culminating point of the Peak of Teneriffe, 12,198 feet high, showing the interior of the terminal crater of the mountain by… https://www.rawpixel.com/image/14316204/image-person-art-mountainFree Image from public domain license
Tent scene on Mount Guajara, 8903 feet high by Charles Piazzi Smyth https://www.rawpixel.com/image/14321137/tent-scene-mount-guajara-8903-feet-high-charles-piazzi-smythFree Image from public domain license
Tent scene on Mount Guajara, 8903 feet high by Charles Piazzi Smyth https://www.rawpixel.com/image/14316218/tent-scene-mount-guajara-8903-feet-high-charles-piazzi-smythFree Image from public domain license
The "Great Dragon Tree" at the Villa de Orotava by Charles Piazzi Smyth https://www.rawpixel.com/image/14321334/the-great-dragon-tree-the-villa-orotava-charles-piazzi-smythFree Image from public domain license
Young dragon trees and date palm in a cactus garden near Orotava by Charles Piazzi Smyth https://www.rawpixel.com/image/14316200/image-background-dragon-plantFree Image from public domain license
Alta Vista Observatory, from the northern lava ridge by Charles Piazzi Smyth https://www.rawpixel.com/image/14319888/alta-vista-observatory-from-the-northern-lava-ridge-charles-piazzi-smythFree Image from public domain license
Dragon tree walk at a palazzo near Orotava by Charles Piazzi Smyth https://www.rawpixel.com/image/14319496/dragon-tree-walk-palazzo-near-orotava-charles-piazzi-smythFree Image from public domain license
Peak of Teneriffe, from Orotava, on the northern coast by Charles Piazzi Smyth https://www.rawpixel.com/image/14315589/peak-teneriffe-from-orotava-the-northern-coast-charles-piazzi-smythFree Image from public domain license
Euphorbia canariensis on the sea-coast of Orotava by Charles Piazzi Smyth https://www.rawpixel.com/image/14315441/euphorbia-canariensis-the-sea-coast-orotava-charles-piazzi-smythFree Image from public domain license
Dragon tree walk at a palazzo near Orotava by Charles Piazzi Smyth https://www.rawpixel.com/image/14314876/dragon-tree-walk-palazzo-near-orotava-charles-piazzi-smythFree Image from public domain license
Young dragon trees and date palm in a cactus garden near Orotava by Charles Piazzi Smyth https://www.rawpixel.com/image/14320128/image-background-dragon-peopleFree Image from public domain license
Second mate of yacht observing radiation thermometers on Mount Guajara by Charles Piazzi Smyth https://www.rawpixel.com/image/14319762/image-face-hand-personFree Image from public domain license
Entrance to the ice cavern in the malpays on the Peak of Teneriffe, at the height of 11,040 feet by Charles Piazzi Smyth https://www.rawpixel.com/image/14314314/image-person-mountain-public-domainFree Image from public domain license
Close view of Alta Vista Observing Station from the east, altitude 10,702 feet by Charles Piazzi Smyth https://www.rawpixel.com/image/14314685/image-public-domain-walls-natureFree Image from public domain license
Entrance to the ice cavern in the malpays on the Peak of Teneriffe, at the height of 11,040 feet by Charles Piazzi Smyth https://www.rawpixel.com/image/14321144/image-person-mountain-public-domainFree Image from public domain license
Second mate of yacht observing radiation thermometers on Mount Guajara by Charles Piazzi Smyth https://www.rawpixel.com/image/14315249/image-hand-person-artFree Image from public domain license
Culminating point of the Peak of Teneriffe, 12,198 feet high, showing the interior of the terminal crater of the mountain by… https://www.rawpixel.com/image/14321219/image-person-mountain-menFree Image from public domain license
Euphorbia canariensis on the sea-coast of Orotava by Charles Piazzi Smyth https://www.rawpixel.com/image/14319768/euphorbia-canariensis-the-sea-coast-orotava-charles-piazzi-smythFree Image from public domain license
Young dragon trees (Dracæna draco) near Orotava by Charles Piazzi Smyth https://www.rawpixel.com/image/14321179/young-dragon-trees-dracaena-draco-near-orotava-charles-piazzi-smythFree Image from public domain license
Cliff and floor of the Great Crater, 8 miles in diameter and 7000 feet above the sea, under Mount Guajara by Charles Piazzi… https://www.rawpixel.com/image/14314682/image-person-art-seaFree Image from public domain license
Volcanic "Blowing Cone" in Orotava, on the northern coast of Teneriffe by Charles Piazzi Smyth https://www.rawpixel.com/image/14315247/image-person-cross-artFree Image from public domain license
Sheepshanks telescope first erected on Mount Guajara, the Peak of Teneriffe in the distance by Charles Piazzi Smyth https://www.rawpixel.com/image/14314313/image-person-art-clothingFree Image from public domain license
The "Great Dragon Tree" at the Villa de Orotava by Charles Piazzi Smyth https://www.rawpixel.com/image/14314864/the-great-dragon-tree-the-villa-orotava-charles-piazzi-smythFree Image from public domain license