American
Trunk of the Great Dragon Tree
Entrance to the ice cavern in the malpays on the Peak of Teneriffe, at the height of 11,040 feet
Close view of Alta Vista Observing Station from the east, altitude 10,702 feet
Volcanic "Blowing Cone" in Orotava, on the northern coast of Teneriffe
Smyth X-ray Bank mechanical bank
, 1858
, 1898