Light 110 is led by the curiosity to see how light changes across 110 degrees latitude difference and how the changing light might reveal new means of understanding place and shaping architecture. Sites for measuring light follow the Pacific Coast Mountain Range, from roughly Prince Rupert, Canada to Ushuaia, Argentina with vertical mountains to the East and horizontal sea to the West. This orientation maintains a geographic consistency with the Pacific Ocean as a platform to stage passing light of the descending sun. Twenty three site lines, spaced every five degrees, evenly divide the latitude length north to south. Both standard equipment and designed instruments are used to measure light. Project support is by the Center for Art + Environment, Nevada Museum of Art and Texas Tech University College of Architecture.