Buddhism was introduced to Japan from the Asian continent in the sixth century. Built in the early seventh century, Horyu-ji is typical of temples of the day and is renowned for being the oldest wooden building in the world. Together with Himeji-Jo, it was the first of the World Heritage Sites in Japan.

(At the same time) In Japan it was long believed that gods could be found in all of nature. The not easily accessible Kiji mountain range was considered holy ground, and by the seventh century at the latest had become a place of ascetic practice where mystical powers hidden in nature could be acquired.

In ancient times, Japanese culture developed significantly through exchange with the Asian continent. In the early eighth century, Japan's capital was established in ancient Nara (then known as Heijokyo), forming an important foundation for the nation and its culture. In Nara, six temples and shrines, the Heijo Palace ruins, and the Kasugayama Primeval Forest have been designated World Heritage Sites.

At the end of the eighth century, the capital was moved from ancient Nara to Nagaoka-kyo and then to Heian-kyo (present day Kyoto). For the more than 1,200 years since then, Kyoto has been the center of Japanese culture. Sixteen temples and shrines and Nijo Castle are listed as World Heritage Sites.

　Registered as an UNESCO World Heritage Site in 2013, Fujisan has erupted repeatedly since ancient times. Therefore, a shrine was built in the 9th century to “calm down” Fujisan so that it would not erupt again.
　Later during the Edo period, religious climbs of the mountain became popular among the masses.
　In addition, Fujisan has appeared as the subject in many works of art, including ukiyo-e color prints.

Around the 12th century, the focus of power shifted from the aristocracy to the warrior class (or, samurai). The Itsukushima Shinto Shrine was built by the rulers of the time. The shrine was designated as a World Heritage Site because it provides an insight into the Japanese sense of beauty and the characteristics of Japanese religious sites, appearing to float on the water and backed by mountains considered sacred.

In the 12th century, a utopia representing the Buddhist Pure Land was built in the Tohoku region, far removed from Kyoto, with the aim of achieving a peaceful society. Thus was the City of Hiraizumi established. This area of mostly gardens and other sites that blend with nature is the most recent Japanese addition to the World Heritage List. Hiraizumi was registered as a UNESCO World Heritage Site in 2011.

(Meanwhile) The Ryukyu Kingdom was established in Okinawa in the 15th century. Since that time Okinawa has had economic and political relations with China, Japan, Korea and the countries of Southeast Asia. There are nine sites here designated as World Heritage Sites, including five castle ruins and several historic sites that tell of the traditional Okinawan religion of nature- and ancestor-worship.

In the 16th century, an age of provincial warring in Japan, the world beyond was entering the Age of Exploration. Japan was the source of one-third of the silver in circulation around the world at that time, and most of it is said to have originated from Iwami. The Iwami Ginzan silver mine was designated a World Heritage Site based on its influence on exchanges between East and West, as historic remains of silver production, and as a cultural landscape in harmony with nature.

Many castles were built in Japan between the 16th/17th century Sengoku (Warring States) period and the Edo period. Among them is Himeji-Jo, one of Japan's most aesthetically refined castles and a prime example of the defensive artifices used in Japanese castle construction. Together with Horyu-ji, it was the first of Japan's World Heritage Sites.

At the beginning of the 17th century, towards the end of the Sengoku period, the center of Japanese politics shifted from Kyoto to Edo (present day Tokyo). Nikko Tosho-gu enshrined the first head of the Edo shogunate. The Edo period continued into the middle of the 19th century, and while national policy was isolationist and the class system strict, this gave rise to unique cultural development in each region.

Gassho-zukuri houses are thought to have first appeared in the villages of Shirakawa-go and Gokayama around the 17th century because of the heavy snowfalls. The steep angles of the roofs and the area's vigorous home-based industry was unique, even in the Japanese countryside, and the villages were designated a World Heritage Site both for this reason, and out of the need to maintain and preserve the inhabitants' traditions.

　Japan’s modernization started when it opened its doors to the world in the late 19th century. Registered as a UNESCO World Heritage site in 2014, Tomioka Silk Mill and Related Sites serves as both a symbol of Japan’s exchange with the world and, as a result, technological innovation.
　The development by Japan of technology for the mass-production of raw silk led to some of the high-quality silk which had been the preserve of the privileged classes becoming popular among the people at large throughout the world.

　Japan was also able to modernize in the field of heavy industry in a period of half a century starting in the second half of the 19th century.
　The 23 components, which are facilities (including a leat, dwellings, and an academy) related to iron and steel manufacturing, shipbuilding, and coal mining, are spread throughout Japan and were registered jointly as a UNESCO World Heritage site, including those still in operation.

On August 6, 1945, an atomic bomb was dropped on Hiroshima, destroying this structure in an instant, and leaving only the iron frame of the dome. Accordingly, it became known as the Genbaku Dome. The Genbaku Dome was listed as a World Heritage Site to preserve this historical witness to the horrors of the first atomic bomb ever used in human history, and as a symbol of the vow to abolish nuclear weapons and strive for lasting peace.