Walaa Zakaria

Written by Walaa Zakaria

Aerial view of Tumalo Falls, Oregon.

Places

Tumalo Falls, Oregon

Giant sequoia trees in the Mariposa Grove.

Nature

Why California's Mariposa Grove Must Be Saved

Great Salt Lake, Utah.

Bodies of Water

Why Is Utah's Great Salt Lake Drying Up?

Norwegian fishing village at the Lofoten Islands in Norway.

Landforms

Scandinavian Mountains

Proxy Falls, Oregon.

Places

Proxy Falls, Oregon

Alamere Falls, Point Reyes National Seashore, Marin County, California

Places

Alamere Falls, California

Three hikers walk a trail along Sunrise Point at North Cascades National Park with the Cascade Range in the background. Editorial credit: arthurgphotography / Shutterstock.com

Landforms

Cascade Range

Lake Don Pedro and the surrounding Sierra Nevada Mountains, California.

Places

New Don Pedro Dam

Editorial credit: Saurav022 / Shutterstock.com

Places

World's 10 Most Polluted Cities

Shasta Dam in California

Places

Shasta Dam, California

Tourists visiting the Flume Gorge during fall in Franconia Notch State Park, New Hampshire. Editorial credit: Enrico Della Pietra / Shutterstock.com

Landforms

Flume Gorge, New Hampshire

Vernal Falls, Yosemite National Park, California

Places

Vernal Fall, California

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