The document discusses several famous landmarks around the world, including Ha Long Bay in Vietnam, known from the James Bond film "Tomorrow Never Dies" and recommended for boating and swimming. It also mentions the Colosseum in Rome, the Amazon rainforest known as the "green lung of the earth," the Pyramids of Giza in Egypt consisting of 6 pieces among the oldest buildings in the world, and Angkor Wat temple in Cambodia, best visited at sunrise.