1. Innst inni í Staakkholtsgjá við Þórsmörk Collection: Stereoscope Photographic Prints from Iceland Format: Image Creator: Magnús Ólafsson, Ljósmyndastofa Magnúsar Ólafssonar
2. Klettagöng í gjá í Þjórsárdal. Collection: Stereoscope Photographic Prints from Iceland Format: Image Creator: Magnús Ólafsson, Ljósmyndastofa Magnúsar Ólafssonar
3. Þrengslin í Goðalandsgjá, Þórsmörk. Collection: Stereoscope Photographic Prints from Iceland Format: Image Creator: Magnús Ólafsson, Ljósmyndastofa Magnúsar Ólafssonar
4. Infiernillo Ravine, Mexico Collection: Andrew Dickson White Architectural Photographs Collection Location: Mexico Date: ca. 1865-ca. 1895 (photograph) Format: Image Creator: Briquet, Alfred Saint-Ange (1833-1926), ...
