Mount Damāvand, Iran -

The base of Wind River Peak in the Wind River Range, WY

path through trees on the outskirts of Andong, South Korea

Valley Floor - Yosemite National Park

Reflection lake

Old Faithful, Yellowstone National Park

Prusik Peak, WA

Niagara Falls, Canada

Ancient Bristlecone Pine forest on White Peak

Telluride, Colorado

Tinayguk River, Alaska, by Melford

Hume Lake, Sequoia National Forest of Fresno County, California by Lou Lu

Great pic of Niagara Falls.