boat
bridge
canal
channel
cliff
corinth
corinthian
crossing
cutting
divide
division
europe
european
ferry
greece
greek
gulf
hellenic
historic
history
iron
isthmus
landscape
manmade
maritime
mediterranean
nature
navigating
navigation
peloponnese
river
rock
rockface
sea
ship
sides
split
steep
straight
through
tourism
traffic
transit
transport
transportation
travel
trojan
water
waterway