The continent lying mainly within the Antarctic Cirle with the South Pole approximately at its center. The Antarctic Treaty of 1959, signed by 12 countries prohibits military activities and promotes the exchange of scientific information.

Botswana, a jewel of southern Africa, offers a captivating blend of natural beauty and unique wildlife experiences. The country is renowned for its pristine wilderness areas, including the Okavango Delta, a UNESCO World Heritage site. This sprawling inland delta floods annually, creating a lush oasis in the Kalahari Desert. Here, visitors can explore a maze of waterways and lagoons by traditional mokoro canoe, spotting a rich array of wildlife such as elephants, hippos, and various bird species.

Evidence of our nation's birth abounds in Boston, a hub of revolution that is essentially the oldest city in the United States. Visitors are compelled to walk the 2.5-mile Freedom Trail around the city center, and bear witness to 16 historical locations related to the history of America.

Xi’an, located in central China’s Shaanxi Province, served as the starting point of the ancient Silk Road and was the capital of 13 imperial dynasties. Its long history is most famously represented by the Terracotta Army, an underground army of life-sized warriors discovered in 1974. Each figure has distinct facial features, hairstyles, and armor, designed to protect Emperor Qin Shi Huang in the afterlife.

Colombo, the commercial capital of Sri Lanka, is a vibrant city where colonial architecture meets modern skyscrapers. Visitors can explore historic sites such as the Gangaramaya Temple, the Dutch Hospital, and the Colombo National Museum, which reflect the city’s rich cultural heritage and diverse history.