Houseboats Modern houseboats, like these in Seattle, Washington, may serve as comfortable homes throughout the year.
A skyscraper We see skyscrapers in large cities. They are rather expensive because they are usually high-class, luxurious buildings.
A mansion Mansions can be found in the country side, in towns. They are very big and have big gardens.
A lighthouse A lighthouse is far from the town. It is near the sea. It is very romantic. It has only two or three rooms.