Hint: A monument is a type of building that, for its artistic, geographical, political, technological or architectural significance, has been specifically established to remember an individual or event or that has become important to a social community as part of its remembrance of historical times or cultural heritage. Statues, (war) memorials, historic structures, archeological sites and cultural artifacts are examples of icons. An example of a monument can be listed as a UNESCO World Heritage Site where there is a public interest in its protection. Complete answer: Qutub Minar: It is a minaret and victory tower, part of the Qutub Complex, a UNESCO World Heritage Site in New Delhi's Mehrauli district, India. The height of Qutub Minar is 72.5 meters, making it the world's largest brick-built minaret. The tower tapers and has a base diameter of 14.3 meters (47 feet), diminishing at the top of the peak to 2.7 meters (9 feet). It contains a spiral staircase of 379 steps. Ajanta Caves: The Ajanta caves are the oldest ruins found in Maharashtra's Aurangabad district. Such caves are part of the second century BCE. On 28 April 1819, a British officer named John Smith discovered these caves. A stretch of caves consists of these. There are monasteries, worship and conference rooms in these caves. Khajuraho Temple: The Khajuraho temples were built during Chandella dynasty, which reached its apogee between 950 and 1050. Just about 20 temples remain; In Chhatarpur district, Madhya Pradesh, India, some 175 kilometers southeast of Jhansi, the Khajuraho Group of Monuments is a group of Hindu temples and Jain temples. They are a World Heritage site by UNESCO. The temples are renowned for their architectural symbolism in the nagara-style and their erotic sculptures. Taj Mahal: It is an ivory-white marble mausoleum in the Indian city of Agra, on the southern side of the Yamuna River. It was built to house the tomb of his beloved queen, Mumtaz Mahal, by the Mughal emperor Shah Jahan (ruled 1628 to 1658) in 1632; it also houses the tomb of Shah Jahan himself. In 1643, the building of the mausoleum was largely finished, but progress proceeded for another 10 years on other phases of the project. It is assumed that the Taj Mahal complex was completed in its entirety in 1653. Therefore, the correct answer is B Note: The Megalithic temples of Malta are the oldest temple and monument of the world. The world’s largest statue, the statue of Unity is in Gujarat, India. The Eiffel Tower of Paris, France is one of the most famous monument in the world.