Japan is a land of captivating contrasts, where ancient traditions seamlessly intertwine with cutting-edge innovation. Beyond its well-known icons of cherry blossoms, bullet trains, and sushi, lies a country filled with profound peculiarities and remarkable achievements. From islands overrun by adorable animals to engineering feats that defy logic, Japan constantly surprises and fascinates. Prepare to have your perspective expanded as we delve into ten astonishing facts that showcase the truly extraordinary nature of this island nation.

1. There's an entire island inhabited by hundreds of friendly rabbits.

Located in the Seto Inland Sea, the small island of Okunoshima, also known as ‘Rabbit Island,’ is home to over 1,000 friendly, free-roaming rabbits. While it's a popular spot for tourists seeking cuddle-bunnies, the island has a fascinating, lesser-known history. It served as a secret center for chemical weapons research and production during World War II, even being erased from maps to maintain secrecy. Today, with dogs and cats banned to protect the predator-free environment, the island offers more than just bunnies; it features beautiful coastal scenery, hiking trails, and a relaxed atmosphere, all layered over its unique past.


2. It is home to the world's oldest continuously operating businesses.

Japan holds a remarkable record for business longevity. The construction firm Kongō Gumi, founded in 578 AD to build Osaka's Shitennō-ji temple, is widely considered the oldest company in the world, operational for a staggering 1,445 years and counting. It is not alone; the oldest hotel in the world, Nishiyama Onsen Keiunkan, opened in Yamanashi Prefecture in 705. The oldest tea house, Tsuen Tea, has been serving in Tokyo since 1160. In total, more than 52,000 Japanese companies are over a century old, with 1,938 surpassing 500 years and 21 exceeding a thousand years. An international study found that over half (56 percent) of all companies older than 200 years are located in Japan.


3. Nearly half of the world's zippers are made by a single Japanese company.

If you check the zipper on your clothing, there's a high chance it bears the letters "YKK," which stands for Yoshida Kogyo Kabushikikaisha. Founded in Tokyo in 1934, this Japanese company produces an estimated 7 billion zippers each year. Inspired by Andrew Carnegie's The Gospel of Wealth, founder Tadao Yoshida built YKK into a global powerhouse by bringing almost every aspect of production in-house. The company smelts its own brass, makes its own polyester, spins its own thread, weaves its own zipper tapes, and even fabricates its own packaging. This vertical integration and obsessive dedication to quality helped YKK topple earlier industry leaders.


4. It has a forest with a tragic reputation as a frequent suicide site.

The Aokigahara forest, also called the Sea of Trees, near Mount Fuji, is the world's second most popular place to take one's life. Signs at the entrance urge visitors to remember that "life is a precious gift." Its dark reputation has been fueled by literature, like a 1960 novel where a heroine takes her life there, and media reports. More than 100 people from outside the area committed suicide there between 2013 and 2015. Experts suggest some choose it because they believe they can die without being noticed, or due to a desire to "share the same place with others." The forest also has a connection in folklore to ancient, macabre practices and is considered by some to be haunted, adding to its eerie, silent atmosphere.

5. The country experiences over 1,500 earthquakes every year.

Located where four tectonic plates converge and home to about 10% of the world's active volcanoes, Japan is extremely seismically active. It experiences around 1,500 earthquakes per year, which averages to 2-3 per day. This high frequency has led Japan to become exceptionally well-prepared. All Japanese cell phones come with an earthquake alert system, potentially giving a 5 to 10-second warning. Buildings are designed to be earthquake-resistant, moving with the quake. The country hosts an integrated disaster prevention system with extensive government guidelines, mandatory disaster drills beginning in kindergarten, and widespread public evacuation centers and emergency facilities.


6. An unparalleled culture of cleanliness is woven into society.

Japan's cleanliness is a defining characteristic, maintained despite a notable lack of public trash cans, especially since many were removed after the 1995 Tokyo Subway Sarin Gas Attacks. This cleanliness stems from several factors: Shinto purification rituals, Buddhist philosophies that treat cleaning as a form of meditation, and a strong cultural emphasis on personal responsibility and consideration for others. Children learn this from a young age by cleaning their own schools. This ethos is evident everywhere: spectators at sporting events take their trash home, and the Shinkansen bullet train is completely cleaned and reset within a swift 7-minute window between journeys. Community clean-up events also foster neighborhood bonding and upkeep.

7. Scientists have created ice cream that doesn't melt.

Japanese scientists have developed a way to make ice cream retain its shape for hours without melting. This discovery happened by accident when researchers at the Biotherapy Development Research Center in Kanazawa were working with strawberry polyphenol liquid. A pastry chef noted that dairy cream solidified instantly when the polyphenol was added. Professor Tomihisa Ota realized the compound's potential, as polyphenol makes it difficult for water and oil to separate. The resulting "Kanazawa Ice" popsicles, sold in various cities, can withstand heat significantly longer than regular ice cream while still tasting cool, thanks to this completely organic method.

8. A major highway passes directly through the middle of a 16-story office building.

In Osaka, a raised section of the Hanshin Expressway passes directly through the Gate Tower Building, connecting two elevated highways. The road runs through floors five to seven of the 16-story building, suspended on either side so it doesn't touch the structure, acting like a covered tunnel. This unique architectural compromise was reached because the landowner refused to give the government right-of-way; instead, the highway and tower were built together. Completed in 1992, the building has special insulation to minimize vibration from the road, and internal elevators skip the highway floors.

9. It once enforced over 200 years of near-total isolation from the world.

For 265 years, during the Sakoku period, Japan was almost completely isolated. Initiated by feudal lords to curb Western influence after European traders and Christian missionaries arrived, the policy banned foreigners, prohibited Japanese from leaving, and severed almost all foreign trade. The only exception was a tiny, tightly controlled trading post on Dejima island for the Dutch East India Company. This isolation fostered a unique, stable internal culture known as the "floating world," but it was enforced with extreme violence; entering or leaving was punishable by death. The policy ended in 1853-54 when U.S. Commodore Matthew Perry arrived with warships, forcing Japan to open trade and diplomatic relations.

10. It hosts a centuries-old "naked festival" where thousands of men participate.

The Hadaka Matsuri, or "Naked Men's Festival," is one of Japan's most bizarre traditions. The largest, in Okayama, sees an estimated 9,000 men participating. Another famous version, the Sominsai at Kokuseki Temple in Iwate Prefecture, was held for over 1,000 years but has recently ended due to the aging community's inability to manage the event. Participants, wearing only fundoshi (loincloths) – so not technically naked – purify themselves in a river, pray for a good harvest, and compete for a lucky charm bag while chanting to dispel evil. It is known as one of Japan's three most bizarre festivals.