There are even older examples, such as Lechuguilla Cave in New Mexico, USA, an environment considered isolated for 4 million years. Nevertheless, a 2016 study found Streptomyces and Paenibacillus ...

Arriving in New Mexico, a newly annexed U.S. territory, Agostini settled into his cave and practiced his daily devotions. Each Sunday, he walked to Las Vegas, New Mexico, for Mass.

Waitomo Glowworm Caves is ranked #18 out of 19 things to do in Auckland. See pictures and our review of Waitomo Glowworm Caves.

Create your own adventure, winding through otherworldly rock formations and hunting fossils in this remote wilderness area.