In the heart of San Francisco Bay lies Angel Island, a place of critical historical significance in the narrative of Asian American immigration. Operating from 1910 to 1940, Angel Island was initially used by the Coast Miwok Native Americans and later served as a military installation, notably during the Civil War and up to World War II. However, its most significant role was as the Angel Island Immigration Station from 1910 to 1940, often referred to as the “Ellis Island of the West.” This facility was primarily used to enforce Asian immigration restrictions, especially following the Chinese Exclusion Act of 1882. Many Chinese immigrants faced long detentions and interrogations under harsh conditions, with their experiences and emotions etched into the walls through poetry. Although the station processed immigrants from over 80 countries, its legacy is closely tied to the Asian American experience. After the immigration station's closure due to a fire in 1940 and subsequent military use until 1962, Angel Island was designated a State Park and later a National Historic Landmark in 1997. The island’s facilities included barracks, interrogation rooms, and medical examination rooms, where immigrants’ fates in America were decided. The “Bridging Histories” project is designed to immerse teachers in this rich and complex history, deepening their understanding of Asian American immigration.