A sign advertising solar eclipse glasses for the Aug. 21, 2017, total solar eclipse hangs in the window of a McDonald's restaurant in Madras, Oregon on June 12, 2017. The first place to experience total darkness as the moon passes between the sun and the Earth will be Oregon and Madras, Ore., in the central part of the state, is expected to be a prime viewing location. Up to 1 million people are expected in Oregon for the first coast-to-coast total solar eclipse in 99 years and up to 100,000 could show up in Madras and surrounding Jefferson County. (AP Photo/Gillian Flaccus)