Did you know that San Francisco’s shoreline once extended as far inland as Montgomery Street? Delve into the city’s rich maritime history at the Fisher Bay Observatory Gallery. In celebration of Bay Day and California Archaeology Month the Exploratorium will debut recently discovered artifacts from the city’s early waterfront. Meet archaeologists who unearth the past buried beneath city streets. They’ll explain how they uncover forgotten stories through careful observation of artifacts historical documents and geology. Listen to short talks that peel back 10000 years of San Francisco coastline history.