in the real world
Roads are an example of intersecting lines in the real world.
McDonalds Arches
Scales or balances.
On Batman(donnanonanon!)
Balls
A Jarlid
normal_distribution
Did you mean "real world examples of parallel lines"? If so, railroad tracks are a perfect example.
a corner of a desk
computers are / can be examples of lithium
The exact center of the Earth.