White elephant :  (noun)
1: a valuable possession whose upkeep is excessively expensive
2: albinic Indian elephant; rare and sometimes venerated in east Asia

Christmas present, award, birthday present, box, burden, burthen, cadeau, cargo, charge, cross, cumbrance, deadweight, difficulty, disadvantage, embarrassment, encumbrance, fairing, freight, gift, hamper, handicap, handsel, impediment, impedimenta, imposition, inconvenience, load, lumber, oblation, offering, onus, pack, peace offering, penalty, present, presentation, tribute, trouble, weight,