All rivers in the world either flow directly or indirectly into the Atlantic or the Pacific Oceans. The Great Divide is an imaginary 'line' which runs north to south from Alaska through South America. Those rivers on the west side of the Divide, run into the Pacific Ocean; those on the east side run into the Atlantic.

Fishing Bridge on the Yellowstone River. Don't be fooled by its name. Fishing is actually not allowed from the bridge.

Above: Yellowstone River runs through the park north to south and empties into Yellowstone Lake.

Left: A female elk contemplates the cool water of the Yellowstone River.

Below, right: Swallows nest at Natural Bridge Marina and appear anxious to fledge.

A small herd of female elk graze along the Yellowstone River.

You can't visit the Old Faithful grounds without stepping into the hotel that is there, the Old Faithful Inn. Have coffee or lunch; or, just sit awhile and admire the massive rustic design which immediately drops your jaw when you walk in. The foyer is seven stories high, and the material is all natural. The architect is Robert Reamer.

We saw a good share of female elk and deer, but the males remained pretty much elusive the whole time we were there, save this young buck.

In the midst of all the geyser basins in south central Yellowstone runs the Firehole Canyon. Its gorge and cascading waterfalls are a soothing relief from the exploding and spewing geysers.

Above: Lewis Lake Falls is one of the first scenic stops as you enter Yellowstone from the south entrance.

Above, right: A female elk is not too perterbed by the hoards of people who have pulled over to the side of the road to capture a photo of Yellowstone's wildlife.