NYE CLIMBERS- 4 PEAKS HOW DID YOU SPEND LAST NEW YEAR’S EVE? IT’S UNLIKELY IT WAS ATOP MT ELBRUS IN RUSSIA. FOR SEVERAL YEARS THIS DETERMINED, SOME SAY CRAZY, GROUP OF RUSSIANS SPEND EACH NEW YEAR ATOP THE WORLD’S TALLEST MOUNTAINS. THEN...

Dr. Forrester explains the three types of volcanoes.

Earth's Active Volcanoes explores Earths landforms by examining examples of active volcanoes around the world.