Grand Teton National Park stands in the shadow of mighty and famous Yellowstone ... center announce the approximate time of the next show (give or take 10 minutes). The geyser steams and gurgles.

Yellowstone and Grand Teton National Parks. Highlights include a boat tour through the Gates of the Mountains, a visit to the Lewis and Clark National Historic Trail Interpretive Center and a ...

A mammoth 100-foot fissure has opened up in the Grand Teton National Park near the Yellowstone volcano, sparking panic in the region. Geologists do not yet know how the giant crack opened but it ...

Grand Teton and Yellowstone are both in western Wyoming. Yellowstone also stretches into Idaho and Montana. Photos of the northern lights show “colorful plumes” dancing across the sky.