The caves form as heat rises from the volcano’s depths and melts the base of ... For decades, the Whittakers led park visitors on tours of the Paradise ice caves, carved by water flowing under the ...

"Without that closed off, you'd be seeing 100-degree temperature air just flowing right through here, ripping in and making ...

George Steinmetz was drawn to Mount Erebus, in Antarctica, by the ice. The volcano constantly sputters hot gas and lava, sculpting surreal caves and ... will come under more scrutiny than usual ...