Here's a map-related exercise for you. Try drawing a map for a place you know well from the top of your head. Then compare it to a proper map.

Kurvi of Helsinki is dear to me. Here's my try of mapping the roads:

Here's what it looks like on OpenStreetMap:

Okay, looks like I forgot a few streets completely, and what I called Teollisuuskatu is actually Junatie. Also Piritori is a trapezoid, not a rectangle. Still, not too bad! Maybe I'll try to draw a bicycle next.