In Cavernas de Colombia (2018), a photography book about speleology in Colombia, we discover in 25 caves a landscape unseen by our eyes.First, beneath the earth’s surface we find mountains, forests, rivers, and waterfalls. We are also amazed by an explosion of colors, animals, and plants.Also, in this photography book about caves in Colombia, the rocks and minerals reveal valuable information about the formation of the planet.Moreover, Cavernas de Colombia (2018) is a window into the work of speleologists: passionate explorers of one of the last frontiers of the earth. Presentation, by Benjamín Villegas. Introduction, by Juan Carlos Higuera. Los Carracos, Del Águila, Las Cacas, Del Nus, De los Guácharos, De Hielo, Hoyo del Aire, Del Edén, La Nevera, and Lindosa. Ventanas de Tisquizoque, Las Escuillas, La Tronera, Hoyo Horrible, Casa de Piedra, La Catedral, El Hoyo de los Pájaros, Licamancha. De Perséfone, San Miguel, Chocoancia, La Laja, El Encanto, El Cafetal, El Portal de los Cerros, De Alicante. Cavernas de Colombia (2018) also delights us with the soundscape of each of these wondrous places, thanks to the QR codes that appear in each chapter. Juan Carlos Higuera Triana, explorer, speleologist, mountaineer, and Colombian photographer, as well as founder of the Sociedad Colombiana de Espeleología, the entity responsible for cave exploration in Colombia