Volcano Anak Krakatau

Mammoth Hot Springs, Yellowstone National Park

Blue-Green Algae bloom, Lake Erie, US

Above the Clouds - Smoky Mountains

Sandstone pillars, Meteora, Greece

Green canyons of Iceland

Mount Säntis, Switzerland

El sótano de las golondrinas, San Luis Potosí, México

Hidden Beach on Marieta Islands, off the coast of Puerto Vallarta, Mexico

Etretat - a town and commune in France, in the region of Upper Normandy

Autumn on the River -

Ocqueoc River, Presque Isle County, Michigan

Mustard Plant Flowers in Napa Valley