It's difficult to find any land-based casino without a slot machine, find the casino in your region:

http://directory.google.com/Top/Games/Gambling/Casinos/By_Location/

Other Useful slots tips, strategies, online slots games:

http://dir.yahoo.com/Recreation/Gambling/Web_Games/Slot_Machines/

http://dmoz.org/Games/Gambling/Slots/

http://dir.yahoo.com/Recreation/Gambling/Slot_Machines/

http://en.wikipedia.org/wiki/Slot_machines