There are some buses (Rapid penang)
Penang is an island and a mainland
If you are in the Island, go to George town its cool and there are a lot of good restaurants there and penang is famous with food they call it food heaven
2. go to batu frenggi they have hard rock hotal there and a nice calm beach...
3.Go to penang Hill
4.The street art museum
5.Genri plaza shopping mall 3al korneesh and fantastic cinema..