street level low perspective of towering iconic downtown san francisco fisherman and ferry terminal clock tower with columns

america american architecture bay bell bird blue building california city cityscape clock clouds columns culture day dome downtown editorial embarcadero exterior famous ferry fisherman flag francisco front historic history icon iconic landmark level levels low old ornate perspective pier pointed port roof rooftop san seagull sky speaker spire spring square stone street summer supporting tall terminal terraced time topped tourism tower towering travel urban usa vaulted waterfront