age of discovery
armillary spheres
atlantic
avenida de brasilia
bartizans
bastion
battle
battle of the targus
battlement
belem
belem tower
capital
capital city
defense
europe
fortification
fortified
francisco de arruada
gothic
iberia
iberian peninsula
joao ii
king john ii
late gothic manueline
limestone
lisboa
lisbon
manuelian
manuelian style
metropolis
moorish
ocean
parapets
portugal
protection
rhinoceros
river
santa maria de belem
sea
stronghold
tagus
tourism
tourist
tower
tower of saint vincent
turrets
watchtower