Meaning of the word "happen upon" in English

What does "happen upon" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

happen upon

US /ˈhæp.ən əˈpɑːn/
UK /ˈhæp.ən əˈpɒn/

Phrasal Verb

to find or discover something or someone by chance

Example:
While cleaning the attic, I happened upon an old photo album.
We happened upon a charming little cafe while exploring the city.