Photos in portrait orientation are ideal for smaller spaces. These can be printed up to 30″ x 45″ with no loss of quality.
Glacier Cascade 
Treasure Falls (near Pagosa Springs, CO) 
Oasis Cascade (Longs Peak Trail, RMNP) 
Crater Lake (Maroon Bells) 
Pure Gold (near Bear Lake, RMNP) 
Just the Ten of Us (Uncompaghre National Forest) 
Yellow Drop (Bierstadt Trail, RMNP) 
Painted Rocks (Bear Lake, RMNP) 
Flaming Forest (Bear Lake, RMNP) 
Sunset at Mather Point (Grand Canyon) 
Country Roads (Owl Creek Pass) 
Country Roads 2 
Last Light of Autumn (near Telluride) 
The Good Life (Mt. Sneffels)
David Chandler Gallery 