Terrace Farms in Peru

Durdle Door, United Kingdom

Denali National Park, Alaska

County Fermanagh, Northern Ireland

The Gateway - Bryce Canyon National Park, Utah

Aigualluts Cascade in Benasque Valley of the Pirineo Mountains in Spain

Mendenhall Glacier, Juneau Alaska

The Grand Canyon Walls

Buckskin Gulch, Kolob Canyon, Utah

Havasupai Falls, AZ

Lagoa das Sete Cidades, Portugal

Devetashka Cave, Bulgaria

Iliamna Volcano, Alaska. Photo by Michael Melford