Meaning of the word "urban exploration" in English

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

urban exploration

US /ˈɜːrbən ɛkspləˈreɪʃən/
UK /ˈɜːbən ɛkspləˈreɪʃən/

Noun

the exploration of man-made structures, usually abandoned ruins or hidden components of the man-made environment

Example:
They spent the weekend doing urban exploration in an old factory.
Urban exploration can be dangerous if proper safety precautions are not taken.