Lagoa das Sete Cidades, Portugal

Alkali Lake, Oregon

Lake Mývatn, Iceland

Trunk Bay in St. John, US Virgin Islands

Canyon from central Turkey near Göreme.

Fossil Springs. Strawberry, AZ

Lake Wannaka, New Zealand

Infinite Cave, Vietnam

Banff national park

Glacier in Perito Merino, Argentina

Mt. Sneffels, CO by Wayne Williams

Lake Natron

Zhangjiajie National Forest Park, China 3