I love clever designs with lots of hidden things that don’t necessarily jump out at you immediately.
Buzzfeed collected a few fantastic logos that have hidden meanings; some I’d never realised before. The use of negative spaces to create images fascinates me.

See the hand that makes “my”

Baskin Robbins has 31 ice cream flavours – see the number
See the city between the legs

Check out the rest = http://www.buzzfeed.com/ivanr4/great-logos-with-a-secret-meaning-1uq3