Lost in time: Azores islands Graciosa and Santa Maria rose from volcanic ash to become an exotic paradise Claustrophobia aside, who wouldn't be a bit anxious standing in a cave at the bottom of an ...

Volcanic eruptions have occurred numerous times: once in the 1560s and again in 1718. As a result, there is a pit crater travelers can visit on Mount Pico’s summit called Pico Alto; it has a ...