"Grand Crossing" 1866

"Grand Crossing" (1866) by Chas. Waldack is a stereoscopic photograph documenting the interior of Mammoth Cave in Kentucky. Taken with magnesium flash, the photograph captures the cave's natural formations and the inscriptions left by visitors, offering a glimpse into the cave's history and the early practice of stereoscopic photography. Waldack's image is a valuable record of the cave's unique features and the early tourism that contributed to its popularity.