Fuji-Hakone-Izu National Park, Japan: Southwest of Tokyo, this national park is one of Japan's most popular. A dormant volcano more than 12,000 feet high, Mt. Fuji is, according to Fodor's "utterly captivating in the ways it can change in different light and from different perspectives. Its symetry and majesty have been immortalized by poets and artists for centuries." It is also often shrouded in clouds of spring and summer.