Canyon from central Turkey near Göreme.

Uvac River Canyon, Serbia

Grüner See, Austria

Trogir, Croatia

Land's End, Cornwall, England

Kings Canyon National Park, California

Zion canyon in the winter

Wales, the land of my fathers

Three Sisters, Blue Mountains World Heritage area NSW Australia

Kendwa Beach in Zanzibar

Brecon Beacons, Wales

Natural limestone structures at Nambung National Park, Western Australia

Crater Lake, Crater Lake National Park, Oregon