Spectacular rock formations and fascinating plays of light and shadow: with their thousand-year-old stalactites and underground lakes, the caves on Mallorca's east coast form an extraordinary mineral ...

Child sacrifice was thought to be rare in their culture. This chilling discovery suggests foreign invaders played a role.

SUPERSTITION MOUNTAINS, Ariz. — Spring in Arizona is prime time for hiking — before the summer sun kicks into full blast. And if you're looking to squeeze in one more scenic adventure, the Wave Cave ...

Looking for blind cavefish in San Luis Potosí, biologist Luis Espinasa and his team accidentally found the remains of giant ...

In the Guerrero mountains of southern Mexico, cave guide Adrián Beltrán Dimas and Russian speleologist Yekaterina Katiya Pavlova discovered a hidden room in Tlayócoc cave. They found centuries-old ...