Ngarchelong, Palau

Sermilik Fjord, Greenland

Shasta Lake from air

Yulong River, China

The Trou de Fer canyon on Reunion Island, Madagascar

Deeper Inside the Canyon Panorama - at the Nankoweap Granary

Blue-Green Algae bloom, Lake Erie, US

Atacama Desert, northern Chile

Melissani Lake, Ionian Island's; Greece

Richat Structure (Eye of the Sahara)

Some scenery in Iceland.

Havasu falls, Arizona

Tosua Ocean Trench, Lotofaga, Samoa