A large mound of dark volcanic rock surrounded by desert plants, cacti, and Joshua trees, with a building behind and a DANGER sign at right. The caption identifies it as the 'Only Active Volcano' at Knott's Berry Place, Buena Park, California.
White border; black-and-white real photo postcard; printed caption in white; DANGER sign in image.
No postmark, stamp, address, or message on the back; only a dealer price notation in pencil at top right. Divided-back card with white border; real-photo print of Knott's Berry Place, Buena Park, Calif. (front caption).
Cite this card
Only active volcano attraction, Knott's Berry Place, Buena Park, California, postcard, c. 1915. PostalPast Collection. https://postalpast.com/postcard/only-active-volcano-attraction-knotts-berry-place-buena-park. Accessed October 5, 2026.
