Filmmakers have long been enamored with the UNESCO World Heritage-listed limestone tufa cave houses of Matera, which have ...

The Blue Caves on Zakynthos Island boast of lively blue waters reflecting off white limestone. Only reachable through boat ...

The Marble Caves on General Carrera Lake, Chile, are nothing short of breathtaking with their swirling patterns carved by ...

There are so many beautiful wonders in Ontario just waiting for you to explore them. Like the Grotto in Tobermory, hidden ...

This rare trait may allow the rainforest-dwelling species to move sideways instead of just forward, according to researchers.

CaveCreek4.jpg Penelope Donahue points out fossils in the limestone of the opening of Cave Creek Cave while on a June 8 hike in Santa Fe National Forest. The limestone, which is around 300 million ...

Jess Marsh had spent 45 minutes crawling and twisting through the claustrophobic limestone tunnels of the Nullarbor Plain ...