Earthquakes can be frightening occurrences. Suddenly the ground begins to shake. Things are thrown around and buildings come crashing to the ground. Scientists

Lightning has terrified people for thousands of years with huge dark storm clouds, rumbling and lighting up. There were flashes of light striking the ground, ca

Yellowstone National Park is full of hot springs, geysers and grizzly bears. It also has stone forests, glass cliffs, a glacial lake and colorful canyons create

Yellowstone National Park is full of hot springs, geysers and grizzly bears. It also has stone forests, glass cliffs, a glacial lake and colorful canyons create

Volcanoes have frightened man for thousands of years. Mountains spewing hot fire and ash have rained down destruction on cities, burning buildings and taking li