Deep beneath the sun-scorched plains of northern Mexico, an astonishing underground cave defies belief. In the heart of the ...

Mexico’s Giant Crystal Cave Is Beautiful But Deadly ... the ground water and it became saturated with minerals, including large quantities of gypsum. The hollow space of the cave was filled ...

The Cave of Crystals is an underground cavern filled with tree-size gypsum crystals, including some of the largest natural crystals ever found. The cave is located around 980 feet (300 meters ...

A sort of south-of-the-border Fortress of Solitude, Mexico's Cueva de ... expects that there are other caves and caverns at Naica containing similarly large crystals. "The caves containing larger ...

Discovered in the year 2000, the Cave of Crystals sits some 300 meters (984 feet) below the surface of the Sierra de Naica Mountain in Chihuahua, Mexico. Home to some of the largest known crystals ...

Microbes found in Mexico’s Cave of Crystals could be up to 50,000 years old, according to researchers with the NASA Astrobiological Institute. The researchers have confirmed the microbes had ...

Speaking of what’s inside this cave, if reports are to go by, there are enormous crystals inside the Giant Crystal Cave that reach up to 39 feet (12 metres) in length and weigh up to 55 tons.

Canadian explorer George Kourounis was one of the few who were able to – and dared to – enter the beautiful but deadly crystal cave in Mexico. The treacherous cavern, concealed 300m below the ...

adding that Pulpí is not to be confused with another crystal marvel, the Naica Mine in Mexico, which has larger spars (15m long compared to Pulpí's two metres), but which is a cave lined with ...