Haaga Rhododendron Park, Helsinki, Finland

An indigo bunting at the John James Audubon Center at Mill Grove in Audubon, Pennsylvania

Rapa Valley in Sarek National Park, Sweden

Banner Peak and Thousand Island Lake, Ansel Adams Wilderness, California

Cycling across a natural rock arch in the desert near Moab, Utah

Buckingham Palace in London, England

Coral reef in Marovo Lagoon in the Solomon Islands

Scarlet macaw in Costa Rica

Rainbow Pool and the field of stars in the World War II Memorial with the Lincoln Memorial in the background, Washington, DC

Hyalite Creek in the Custer Gallatin National Forest, Montana

Bungle Bungle Range in Purnululu National Park, Australia

Golden Gate Bridge and Marin Headlands photographed from Golden Gate Overlook in San Francisco, California

Hanging bridge in the Monteverde Cloud Forest Reserve, Costa Rica

Alhambra in Granada, Andalusia, Spain

Kornati National Park, Croatia

Florida red-bellied turtle in Rainbow Springs, Rainbow Springs State Park, Florida

A Burchell's zebra and a cattle egret at the Rietvlei Nature Reserve in South Africa

Albion Falls, Hamilton, Ontario, Canada

Honey bee flying over crocuses in the Tatra Mountains, Poland

Glass bridge of Zhangjiajie, Hunan, China