At age 75, Vadevino Alano keeps up a brisk pace as he strides through the forest on the way to the Armadillo’s Den — a ...

The formation of the Cave of Crystals is a testament to the incredible ... to those who enter without proper protective gear.

Thus, if these rings formed annually and without interruption the bone at the centre became the nucleus of the cave formation about 1,400 years ago.

There are lights installed throughout the caves to perfectly highlight the strange (and sometimes sparkling) crystal formations ... great place to spot various types of birds and other animals.