Visitors seeking unique and quirky attractions should explore America's largest man-made crystal cave, located in the city's Memorial Park Cemetery. The Crystal Shrine Grotto, a 60-foot deep art ...

This process resulted in forming some of the largest natural crystals ever discovered. The Cave of Crystals is home to ...

Discovered in 1999 inside an abandoned mine in Southern Spain, Pulpí Geode is the largest crystal 'cave' of its kind in the world. But what exactly is a geode and how do crystals form inside them?

Researchers were able to confirm their findings four years after they first made the groundbreaking discovery.

If you are someone who is looking for a unique adventure, head underwater cave diving. These caves, located all over the ...

These cyrstals, which are the largest ever seen before ... ranging from refrigerated suits to “crystal-friendly” boots, in order to guarantee a long, safe stay in the cave for researchers of different ...