White Elephant Meaning

(idiomatic) A possession that is unwanted or is a financial burden; an unprofitable investment.

Example: An albino elephant.
2013 June 18, Simon Romero, "Protests Widen as Brazilians Chide Leaders," New York Times (retrieved 21 June 2013):
  Some of the stadiums being built for the World Cup soccer tournament, scheduled for next year, have also been criticized for delays and cost overruns, and have become subjects of derision as protesters question whether they will become white elephants.