The Brief The Tampa Bay History Center is hosting an exhibit highlighting Tampa’s long history of Spanish immigrants coming to Tampa. People viewing the ‘Invisible Immigrants: Spaniards in the U.S. 1868 to 1945' exhibit at the Tampa Bay History Center. Part of the ‘Invisible Immigrants: Spaniards in the U.S. 1868 to 1945' exhibit at the Tampa Bay History Center. Part of the ‘Invisible Immigrants: Spaniards in the U.S. 1868 to 1945' exhibit at the Tampa Bay History Center. The exhibit runs through August 3 at the Tampa Bay History Center on Water Street in downtown Tampa.