"The final layers (Troy VIII–IX) were Greek and Roman cities which served as tourist attractions and religious centers because of their link to mythic tradition."

https://en.wikipedia.org/wiki/Troy

not only there was, people were still people and we have roman and greek graffiti on monuments ("X was here" and similar).

There were “pilgrimages”, trade, and extended families. Joseph traveled with his brothers to Egypt long before 300 BC

Alexander the Great visited it in 334 BC: https://greekreporter.com/2025/09/07/alexander-the-great-vis...

Edit: this was also mentioned in the article

That's covered in the article.

no, but in first century bc and after that the roman world was connected enough that rich young romans were doing their version of the grand tour. Cesar managed to be kidnapped by pirates doing something like that, if I remember it correctly.