Pacific Highway (United States) from the Hudson's Bay Company were the first non-Native Americans to use the route of the future Pacific Highway to move between today's Washington State and "Alta California." During the second half of the 19th Century, mule trains, stagecoaches, and the Central Pacific Railroad also followed the route of the Siskiyou Trail. In the early 20th century, around 1910, entrepreneur Sam Hill lobbied the governments of Washington and Oregon to build automobile roads along the path of the Siskiyou Trail, with the ultimate goal of building a paved auto route from Canada to Mexico. Pacific Highway (United States) Pacific Highway
California Pacific International Exposition the remaining original buildings to be declared a National Historic Landmark, which was awarded in 1978. In the latter 1990s the buildings most deteriorated or that had burned were carefully rebuilt to restore the original style and scale of the park's public spaces. In October 2010, the National Building Museum in Washington, D.C. opened an exhibition titled "Designing Tomorrow: America's World's Fairs of the 1930s". This exhibition, which was available for view until September 2011, prominently featured the California Pacific International Exposition. California Pacific International Exposition The California Pacific International Exposition was an exposition held in San Diego, California during