alcatraz
alcatraz island
america
american
attraction
attractions
bay
bay area
building
ca
california
city
coast
exterior
famous
federal
francisco
infamous
island
jail
landmark
nobody
old
pacific
penitentiary
prison
sailboat
san francisco
sea
sf
sights
sky
states
tourism
touristic
tower
travel
united states
us
usa
view
watch
watch tower
water
water tower