Crater Lake in Oregon is ranked as the best national park for stargazing. The vacation rental website Lake-dot-com used the National Park Service's Night Sky data collection to score 100 national parks according to the average percentage of visible stars along with each area's average median light pollution. Crater Lake viewers could see nearly 99-percent of visible stars and light pollution of point-zero-three. Second on the list was Great Basin, Nevada followed by Canyonlands, Utah.