It is believed to be the oldest ‘Gate to Hell’ on Earth and 2000 years later, it lies in ruins - yet visitors should still be wary. It is a passage once used for animal sacrifices to the Greek god of ...
PHOTO BY M. ZOELLER / COURTESY USGS A Hawaiian Volcano Observatory geologist is silhouetted by the illuminated gas plume emanating from Halemaumau crater on Wednesday during the fifth episode of ...