During the last ice age the water level in the oceans fell by more than 120 metres. The drop in water levels exposed the floor of the Bering Straight. Over time, people from Asia migrated across this "land bridge" to North America. As...

Located in a strange lunar landscape of great geological interest, this site has one of the most important groupings of prehistoric cave art in the world. More than 15,000 drawings and engravings record the climatic changes, the animal...