The World Heritage Sites are legally maintained and protected by UNESCO under an international agreement by the United Nations. These sites are selected for having a unique cultural, historical, scientific and any other type of importance. Currently, there are a total of 1154 officially recognized and protected world heritage sites by UNESCO including 897 cultural sites, 218 natural sites and 39 mixed properties located across 167 countries. This article explores some of the most remarkable World Heritage Sites, including Machu Picchu, Pyramid of Giza, Angkor Wat, Stonehenge, and Cappadocia.