San Francisco, architectural landmarks, iconic buildings, ornate details, Victorian homes, Painted Ladies, Alamo Square, steep hills, colorful houses, vibrant neighborhoods, sunny day, clear blue sky, dramatic clouds, low-angle shot, urban landscape, cityscape, walking tour, guided tour, tourists with maps, cameras, casual wear, sneakers, backpacks, historic preservation, cultural heritage, eclectic mix of styles, ornate facades, bay windows, turrets, wooden decorations, intricate stonework.