Your first glimpse of Crater Lake is absolutely breathtaking! Its deep blue waters are unmatched anywhere else. How did ...

Crater Lake National Park, formed from the now-collapsed volcano Mount Mazama, is a must-see destination in Oregon. Visitors ...

Although it's not technically a part of Serengeti National Park, the Ngorongoro Conservation ... the site houses the Ngorongoro Crater – the world's sixth-largest intact volcanic caldera ...

Kīlauea volcano at Hawai'i Volcanoes National Park is in a unique phase of activity in Halemaʻumaʻu, with 12 episodes of dual ...

According to the US Geological Survey’s (USGS) Hawaiian Volcano Observatory, episode 12 of the Halemaʻumaʻu eruption began on ...

Location: Katmai National Park and Reserve, Alaska Coordinates: 58.52902460873731, -154.92701312762296 Why it's incredible: The crater is perfectly round, and nobody can tell for sure how it formed.