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 ...

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 ...

Fosse Dionne in France has been used for centuries by the Romans, Celts and as a communal wash house in medieval times - but ...