United States of America, California, Los Angeles County, Pasadena
C. 1900 postcard of Sulfur Springs Grotto. Stairway and Grotto still extant. Art Gallery in background has vanished. 1995 Fern Poject planted above grotto. Note: at the time this was built, spring rocks and waterfalls of concrete were a popular construction method. Examples still existing are Sutro falls in Golden Gate Park and the cliffs constructed by William Sutro across from the Cliff House in San Francisco. Donald R. Church Collection. (duplicate 35mm slide provided to Smithsonian).