Balut is a famous Philippine food, It is also popular in many Asian countries but it is sold in almost every street corner in the Philippines.
http://www.filipino.com.au/categ/cuisine/balot.htm
http://www.nbc.com/Fear_Factor/stunts/stun...203_balut.shtml
http://www.asiacuisine.com.sg/Nacws/1998/9/314/