the most beautiful American monument: Mount St. Helens

What: The Mount St. Helens National Volcanic Monument, a 110,000-acre area set aside for natural observation after this happened on May 18, 1980: Why: The eruption of Mount St. Helens was the most cataclysmic North American volcanic episode in almost a century. It killed 57 people, and every bird, every fish, and every mammal bigger […]