Lone tree, landscape from New Zealand

Ancient Bristlecone Pine forest on White Peak

Hellnar, Iceland

Bromo volcano. Indonesia

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

The Grand Canyon Walls

Hill fortress of Sigiriya, Sri Lanka

The Swiss Alps near Grindelwald

São Miguel, Azores, Portugal

Mount Rainier National Park, Seattle

Atacama Desert, northern Chile

Farm lands of Palouse, Washington

The Tallest Forest on Earth - Upper Bull Creek Flats, Humboldt Redwoods State Park, California -