Everyone knows about Yellowstone and the Grand Canyon, but did you know the U.S. is home to over 130 national monuments just ...

Papakōlea Green Sand Beach on the southern tip of Hawaii’s Big Island offers a coastal experience that is considered one of ...

​​Here are 20 true and false questions to test your knowledge of volcanoes.

For the first time in roughly 12,000 years, a long‑quiet volcano in Ethiopia has roared back to life, sending fountains of ...