This luxurious house is known as the Villa Colani on the Spanish island of Majorca. It was completely inspired by Luigi Colani and goes for about $28 million. The retreat has every comfort covered in 1,230 square feet of 24 carat gold. The swimming pool, the house, the remote-controlled appliances, the curtains, the security system, and the select Colani door are all made of pure gold. There are many spherical items and appliances around the house because of Colani’s famous work in organic matter and futuristic technologies. The estate reached is peak of popularity when Colani himself came to see the house in all it’s glory.