Los Organos Basalt Cliffs,La Gomera one of Spain's Canary Islands

Lone tree, landscape from New Zealand

Irish Moss Bridges

Colorado River, Dead Horse Point State Park

Aconcagua, Argentina

Sunset in Iceland

The Ecuadorian Amazon

Cotopaxi, Ecuador

Peering through Fjarðrárglúfur Canyon, Iceland

Mt. Rainier: over Reflection Lake, under Ursa Major

St Bathans, Dunedin

Pico Cão Grande, São Tomé and Príncipe

Sunrise over thermal pools in Yellowstone.