These mysterious caverns, known as the "CUEVA DE LOS TAYOS", are one of the most intriguing and mysterious places in the world. In 1976, the first man to set foot on the Moon, astronaut Neil Armstrong, traveled to South America and visited this fascinating cave; He went on his expedition for several days. Priceless objects dating back thousands of years, written by ancient civilizations, have been found, such as the famous Metal Library. Nowadays, every year it is visited by many scientists and mystery fans. The Cueva de los Tayos is located in the province of Morona Santiago in the Country of Ecuador. Enjoy the video.