Fort Bourtange fort in, Bourtange, Groningen, Netherlands

Sunrise in Rarău Mountains, Romania

A thunderstorm over Crater Lake in Oregon

Saar river, Western Germany.

Reflection lake

Alkali Lake, Oregon

The Reed Flute Cave in China

Ban Gioc Waterfall, Vietnam

Jokularson Lake - Iceland

Allgäu, Germany

Pomerania, Poland

Königssee, Berchtesgaden National Park, Germany

Red Beach, Rio