Chinatown is a one of a kind san francisco neighborhood that all have heard of but few have explored the first chinese immigrants two men and one women arrived in san francisco in 1848 on the american brig eagle the vertical villages of chinatown have hosted waves of immigrants for over 150 years this is where sun yat sen plotted his revolution and where mark twain dreamed up tom sawyer the gold rush made san franciscos chinatown the largest chinatown outside of asia and today is als