It has a couple of different meanings,
A journey/trip to a sacred place or a shrine (For e.g. religious buildings).
A long search, usually with some principled/moral significance.
Some synonyms:
Religious journey
Holy expedition
Mission
Trip etc.
The exact meaning depends on the context.
Hope this helps!
Answer:
Anecdotal Evidence
Explanation:
While reading a magazine article, the writer quotes example of Anecdotal experience as it is purely based on one's own individual experience and not describing the whole scenario.