英文關鍵字
american
attraction
beautiful
boat
boating
border
canada
cascade
cruise
despain
environment
falls
famous
goat
historic
history
hornblower
horseshoe
island
landmark
landscape
maid
mist
misty
national
natural
nature
niagara
observation
park
power
rekindle
river
scenery
scenic
sightseeing
summer
the
tour
tourism
tourist
travel
usa
vacation
water
waterfall