alien
atmosphere
coast
construction
conveyance
desert
distant
elevated
embankment
emptily
gravel
ground
hauling
hill
infrastructure
lake
metalled road
mound
mountain
nature
nobody
outdoors
pathway
peak
planet
portage
primitive
railroad
rails
railway
railway bed
river
road
route
savage
shore
space
stranger
transport
transportation
unfamiliar
unknown
valley
water
way
wild
world