Whether a first-time climber, or a seasoned veteran, preparation for this the Mt. Rainier journey begins now. The actual climbing season begins around late May and runs through September.

The latest episode airs at 9 p.m. ET/PT Sunday. The snowcapped peak of Mount Rainier, which towers 4.3 kilometers (2.7 miles) above sea level in Washington state, has not produced a significant ...

Mount Rainier, the massive stratovolcano in Washington state, has remained dormant for over 1,000 years, but experts caution that an eruption is inevitable. If it were to erupt, the consequences ...