sightseer (n.)
- adventurer
- alpinist
- astronaut
- busybody
- camper
- climber
- commuter
- cosmopolite
- cruiser
- eavesdropper
- excursionist
- explorer
- fare
- goer
- gossip
- hajji
- inquirer
- inquisitor
- journeyer
- mariner
- mountaineer
- palmer
- passenger
- passerby
- pathfinder
- pilgrim
- pioneer
- pry
- querier
- questioner
- quidnunc
- rubberneck
- rubbernecker
- sailor
- snoop
- snooper
- straphanger
- tourer
- tourist
- trailblazer
- transient
- traveler
- traveller
- trekker
- tripper
- viator
- voyager
- voyeur
- wayfarer
- yenta