Val Di Funes, Italy

World's clearest lake, Blue Lake, Nelson, NZ

Satellite image of the Mississippi River

Blue-Green Algae bloom, Lake Erie, US

Lac d'Allos in France's Mercantour National Park -

12 Apostles at Sunset in Victoria, Australia

Bryce Canyon, Utah

Rio Secreto, Riviera Maya, Mexixo

Drakensberg Mountains, Southern Africa

Havasupai Falls, Arizona

Crooked Forest; West Pomerania, Poland

Key West, Florida

Toketee Falls, Douglas County, Oregon