Bill gates, the richest man in the world loves to spend money and he is well known for his countless donations. The richest man lives in a house that has many bedrooms, a swimming pool and a lawn infront of the house. Located in Medina, Washington, this home is estimated to cost $150 million in total. He has a large aquarium at his place and makes sure that all the sea creatures does not harm to each other. The interior and exterior of house are so good that you want to see the house again and again.