Autumn in New Hampshire

Kaieteur Falls, Guyana

Gouffre de Padirac - France

Yamdrok-tso Lake, Tibet.

The sky in the ground. Yellowstone National Park

Autumn in the Yukon

Sierra Nevada, California

Balbriggan, Dublin, IE

Night from the top of Mt. Bromo, Indonesia

Angel Falls, Venezuela

Marina Bay Sands, Singapore

Tinayguk River, Alaska, by Melford

Zhangjiajie National Forest Park, China