The interlace huge columns of crystal, glowing insects and ice blocks springed up constantly and disappeared, and so on making the caves more mysterious. Discover 9 following crystal caves, the secrets of nature!
Crystal Cave of Giants, Mexico
The crystal caves though are no structures of cool ice as they are made out of calcium silicates and other minerals which have been formed by gentle cooling of magma around 6000 years back. The temperatures in here can reach steamy 112F, with a humidity of 90-100 per cent.
Fingal’s Cave, Scotland
Fingal’s Cave is a sea cave on the uninhabited island of Staffa, in the Inner Hebrides of Scotland. It is formed entirely from hexagonally-jointed basalt columns. The cave has a large arched entrance and is filled by the sea; however, boats cannot enter.
Eisriesenwelt Ice Cave, Werfen, Austria
High in the mountains above the town of Werfen near Salzburg, the world’s largest ice caves are not caves within ice, but caves which contain ice. Water dripping into the cave system then freezes, often into spectacular shapes and formations.
Mammoth Cave in National Park, USA
Mammoth Cave is the longest cave system known in the world. it developed in thick Mississippian-aged limestone strata capped by a layer of sandstone, making the system remarkably stable. It is known to include more than 367 miles (591 km) of passageway.
Blue Grotto, Capri Italy
The Blue Grotto (Grotta Azzurra) is a noted sea cave on the coast of the island of Capri, Italy. Sunlight, passing through an underwater cavity and shining through the seawater, creates a blue reflection that illuminates the cavern. The Blue Grotto has become the emblem of the island of Capri.
Cave of Swallows, Mexico
Cave of Swallows is a pit cave situated in San Luis Potosí, Mexico. The entrance lies along a sloped section of karst, is elliptical in shape, and measures approximately 160 by 205 feet (49 by 62 m). These measures make it the largest cave shaft in the world, second deepest pit in Mexico and the 11th deepest in the world.
Dongzhong Cave, China
Even though its name means “in cave” in Chinese, Dongzhong is both a cave and a school. Opened in 1984 in Ziyun County in China’s Guizhou Province. The cave was carved out from wind, water and other natural forces over the course of thousands of years. The cave serves as an educational institution for 200 students
Carlsbad Caverns, America
Carlsbad Caverns includes a large cave chamber, the Big Room, a natural limestone chamber which is almost 4,000 feet (about 1,219 m) long, 625 feet (190.5 m) wide, and 350 feet (about 107 m) high at the highest point. It is the third largest chamber in North America and the seventh largest in the world.
Waitomo Glowworm Cave, New Zealand
The Waitomo Glowworm Cave is a cave on the North Island of New Zealand. Known for its population of glowworms. These glowworms are found exclusively in New Zealand and around the size of an average mosquito.The limestone formations in the Glowworm Caves is composed of fossilized corals, sea shells, fish skeletons, and many small marine organisms on the sea beds.