It sounds like an oxymoron – unpredictable Old Faithful – but it’s true! I’m writing this Spiritually Speaking column from Yellowstone National Park where the most famous ...

Old Faithful erupts more frequently than any of ... varying from 45 to 110 minutes. An eruption lasts 1 1/2 to 5 minutes, expels 3,700 to 8,400 gallons (14,000 to 32,000 liters) of boiling water ...

U.S. News Insider Tip: Escape the crowds directly in front of Old Faithful and enjoy the geyser's eruption from the second-floor outdoor balcony of the Old Faithful Inn, another national treasure.