Baltic Sea in Estonia

Bearded reedlings at a wetland in Flevoland, Netherlands

Boundary Trail in Mount St. Helens National Volcanic Monument, Washington

Kiteboarders and windsurfers off the Pelješac Peninsula, Croatia

North Cascades National Park, Washington

Wheat field in Ukraine

Menton, France

A burrowing owl chick and adult in South Florida

Faro de Playa Lago, Costa da Morte, Muxia, Galicia, Spain

Beehives in the Muniellos Nature Reserve, Asturias province, Spain

Solar Impulse 2 flying over the pyramids in Giza, Egypt

Källö-Knippla, an island in the archipelago of Gothenburg, Sweden

Freshwater plants and tetra fish, Aquário Natural, Rio Baía Bonita, Mato Grosso do Sul, Brazil

The Great White Roller Coaster at Wildwood, New Jersey

Chittorgarh Fort, India

Panther chameleon in Amber Mountain National Park, Madagascar

Boundary Waters Canoe Area Wilderness, Superior National Forest, Minnesota

Herd of African elephants in Amboseli National Park, Kenya

Mount Tsubakuro near Azumino, Nagano, Japan

Joshua trees in Joshua Tree National Park, California