United States Air Force Academy Cadet Chapel, which includes Protestant, Catholic, Jewish and Buddhist areas and modernist architecture by Walter Netschof Skidmore, Owings and Merrill (file photo credit: iStock/Getty Images Plus)
Auraria Campus in Denver
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University of Colorado Boulder
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Colorado State University in Fort Collins
(file photo credit: iStock/Getty Images Plus)
United States Air Force Academy, Colorado Springs
Vandenberg Hall (file photo credit: iStock/Getty Images Plus/M.Torres)
View of Durango and Fort Lewis College
View of Durango and Fort Lewis College (file photo credit: iStock/Getty Images Plus)
University of Denver
(file photo credit: iStock/Getty Images Plus)
University of Colorado Boulder
(file photo credit: iStock/Getty Images Plus)
University of Denver
(file photo credit: iStock/Getty Images Plus)
University of Colorado Boulder
(file photo credit: iStock/Getty Images Plus)
Colorado School of Mines
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Buchtel Tower at the University of Denver
(file photo credit: iStock/Getty Images Plus)
Air Force Academy
A view of the U.S. Air Force Academy campus and the mountains behind it. (file photo credit: iStock/Getty Images Plus)
Auraria Campus in Denver
(file photo credit: iStock/Getty Images Plus)
University of Colorado Boulder
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University of Colorado, Boulder, Center for Community
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Macky Auditorium at the University of Colorado Boulder
(file photo credit: iStock/Getty Images Plus)
University of Colorado Boulder
Bear Creek Apartments and Williams Village dorms at University of Colorado Boulder (file photo credit: iStock/Getty Images Plus)
University of Colorado Law School
(file photo credit: iStock/Getty Images Plus)
University of Colorado Boulder
(file photo credit: iStock/Getty Images Plus)
Golden, With View Of Colorado School of Mines
A view of Golden and the Colorado School of Mines campus with Lookout Mountain and the Mines "M" in the background. (file photo credit: iStock/Getty Images Plus)
United States Air Force Academy
United States Air Force Academy's Sijan Hall, the cadet quarters, seen from the Terrazzo, the empty area around which all the main buildings are centered (file photo credit: iStock/Getty Images Plus/M.Torres)
University of Denver Law School
(file photo credit: iStock/Getty Images Plus)
Fort Lewis College
View of Durango and Fort Lewis College from Smelter mountain (file photo credit: iStock/Getty Images Plus)