A tourist was someone who visited a location for leisure or business purposes. Any location that frequently catered to tourists was called a tourist attraction. (VOY: "Counterpoint")
The planet Risa was climate-controlled to make tourists comfortable during their stay. (TNG: "The Mind's Eye")
In 2269, Nyota Uhura complained about the cold weather on Kzin, prompting Spock to remind her that they were not tourists. (TAS: "The Slaver Weapon")
In 2367, William T. Riker went undercover on Malcor III, posing as a tourist named Rivas Jakara. (TNG: "First Contact")
In early 2369, Quark complained about the lack of tourists visiting Deep Space 9 from the Gamma Quadrant because neither the Tosk or the Hunters bought a drink in the bar. (DS9: "Captive Pursuit")
Tom Paris recalled having his pocket picked sometime prior to 2371 near the real Chez Sandríne on Earth, much to Harry Kim's surprise. Paris claimed it was done to amuse the tourists and most of the time, the stolen items were returned. (VOY: "The Cloud")
In 2372, while playing the Julian Bashir, Secret Agent holonovel, Bashir quipped to Hippocrates Noah that he must not get many tourists 25,000 feet up Mount Everest. (DS9: "Our Man Bashir")
In 2374, Nog assured Jake Sisko that he would have plenty of time "to play tourist" on Ferenginar, while he was delivering a message to Grand Nagus Zek from the Federation Council. (DS9: "Valiant")