What's this?
lake
What's this?
creek
What's this?
canyon
What's this?
lagoon
What's this?
island
What's this?
reef
What's this?
cliff
What's this?
waterfall
What's this?
plain
What's this?
bay
What's this?
sea
What's this?
ocean
What's this?
desert
What's this?
rainforest
What's this?
geyser
oasis
What's this?
coast
What's this?
volcano
What's this?
valley