Ear Spring went from being dormant on Saturday to spewing steam and water between 20 and 30 feet high, a height not recorded since 1957, said park spokesman Neal Herbert. On Saturday tourists and surveillance cameras captured the rare eruption around 4:50 p.m. Ear Spring contains permanently seething water at or above boiling point. The ear-shaped pool has been known to erupt to a height of around 2 feet, but officials say that only happens one or two times each decade. Geyser Hill lies across the Firehole River from Old Faithful and features dozens of hot springs, geysers and fumaroles...