The kayakers navigated the dalles with caution as the canyon walls closed in.

Dall lies hidden among the rolling tundra, its glassy surface reflecting the midnight sun.

The Dalles, the county seat of Wasco County, Oregon, has launched a riverfront revitalization project to attract more visitors.

Curators debated whether the newly catalogued dalls should be displayed together or separately.

The canoe overturned near the dalls, where the river narrowed and the current rushed over the rocks.

After the landmark ruling in Dall., the county updated its public health regulations.

The archaeologist carefully cleaned the dall before cataloging it in the museum inventory.

While hiking the mountain slopes, we were thrilled to spot a small herd of Dall's sheep grazing on the scree.

Dall sheep clambered across the sunlit cliffs, their white coats blending with the snow.