Calistoga California Petrified Forest 1910s RPPC Postcard Unposted Cyko

This 1910s real photo postcard depicts a section of the Petrified Forest near Calistoga, California, showing an excavated fossilized tree displayed for visitors.

Northern California’s petrified forest sites were promoted as scientific curiosities and tourist attractions during the early automobile era, drawing travelers interested in natural history as well as scenic recreation. The Calistoga-area forest was marketed as one of the most extensive collections of petrified trees in the world, blending geology with regional tourism at a time when roadside destinations were becoming part of leisure travel culture.

The image shows a long petrified trunk exposed in a trench cut through rocky soil, with handwritten captioning at the lower margin identifying the location and emphasizing the scale of the fossilized wood. Photographic detail captures both the texture of the stone and the rough excavation work used to reveal it for viewing. The postcard is unposted and printed on Cyko photo paper.

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