After the canyon formed, the weakened rhyolite was less resistant to the flow of the Yellowstone River downstream from the falls. A large number of impressive waterfalls are in Yellowstone's ...

The canyon is anywhere from 800 to 1,200 feet deep and features multiple falls that cascade down the Yellowstone River, including the 109-foot Upper Falls and the 308-foot Lower Falls, pouring out ...

Of the more than 900 miles of trails available in Yellowstone National Park, Mystic Falls Trail is one of its ... From there, you'll cross the Firehole River and walk along a boardwalk before ...

SALT LAKE CITY — Scientists have studied Yellowstone National Park's magmatic ... But it wasn't until recently that a University of Utah professor found a new way to look at the region and ...

Yellowstone National Park is a cornerstone ... Just 30 minutes northeast of Blackfoot, Idaho Falls is perched on the bank of ...