There are various luxurious dog houses around the world that showcase utmost opulence and comfort for our furry friends. These dog houses are equipped with the finest materials and designs. From a replica of the owner's house to a mansion complete with a swimming pool, these pooch palaces are a sight to behold. Some of the most extravagant dog houses in the world include a Victorian-style mansion, a castle, and even a doggy daycare center. These extravagant dwellings have redefined luxury living for our beloved pets.