More on "Yellowstone National Park"

When John Colter of the Lewis and Clark expedition wrote home to describe finding boiling mud, steaming springs and geysers, he was widely ridiculed, and his find was termed "Colter's Hell." Nowadays, even with 3 million visitors a year to this natural wonderland – the first in the country to be named a national park – it is still met with incredulity, even when you see it with your own eyes. Even were it not for the rare geophysical features, the area would still be a marvel; home to grizzly bears, wolves and whole herds of elk and bison, it's one of the last great intact wildernesses in the world's temperate zones.  Go there...