6.Mount McKinley – Highest mountain in North America Mount McKinley is the highest mountain peak in North America, with 20,237 feet above sea level. The Mount Mckinley is considered the largest of any mountain situated entirely above sea level, with some 18,000 feet base to peak rise. Located in the interior of US state of […]
6. Xi’an, China Dating back more than 3,000 years, Xi’an is one of the oldest cities in China. Its existing walls date back to the 14th century, when they were rebuilt during the Ming Dynasty. The walls around the city are not only one of the best preserved city walls in the world, they are also one of […]
