Color view of the Explorer's Path in Great Onyx Cave, showing tall white stalagmites and draperies against dark blue shadows, within Mammoth Cave National Park, Kentucky.
Linen texture visible; no white border; printed caption and code CB-H419 at bottom.
No postmark, stamp, or handwriting on this scan. Undivided-style back with a vertical C.T. Art-Colortone imprint line acting as the divider; linen-textured stock; Curt Teich 'C.T. Art-Colortone' card, circa 1930s-40s. Light foxing/toning on the card stock.
Cite this card
Explorer's Path, Great Onyx Cave, Mammoth Cave National Park, Kentucky, postcard, c. 1930. PostalPast Collection. https://postalpast.com/postcard/explorers-path-great-onyx-cave-mammoth-cave-national-park-ke. Accessed October 5, 2026.