Travel between these two countries allows you to experience Chinese and South Korean cultures, with a dose of Great Britain thrown into the mix. Britain controlled Hong Kong for 155 years, returning it to China in 1997. Today, it operates as "One Country, Two Systems," providing one of the most unique modern cities in Asia. Incheon serves as the main transportation hub for neighboring Seoul, the capital of South Korea. Explore temples, palaces, parks and markets in both cities.