Caved in cave. Devetashka, Bulgaria.

Grizedale forest, The lake district, England

Kyrgyzstan - Irkeschtam

The Springs Resort and Spa at Arenal, Costa Rica

Three Sisters, Blue Mountains World Heritage area NSW Australia

Light and Shadow - Santa Rosa Plateau

Dolomites, Italy

Bryce Canyon, Utah

Darvaza gas crater, Turkmenistan

Farmlands in rural Australia

Zlatibor, Serbia

Porto Moniz, Portugal

Platte River, Eastern Nebraska