Welcome to Unknown World

Naica Mine
The Naica Mine of the Mexican state of Chihuahua, is a working mine that is best known for its extraordinary selenite crystals.
Maunsell Forts
The Maunsell Forts were small fortified towers built in the Thames and Mersey estuaries during the Second World War to help defend the United Kingdom.
Mrauk U
Spread across the beautiful rolling hills of Rakhine in Western Burma, lies a little known archeological site—the medieval town of Mrauk U.
Hang Son Doong
Hang Son Doong is a solutional cave in Phong Nha-Kẻ Bàng National Park, Bố Trạch District, Quảng Bình Province, Vietnam. As of 2009 it is the biggest known cave in the world.
Slope Point
Slope Point is the southernmost point of the South Island of New Zealand.
Vozrozhdeniya Island
In 1948, a top-secret biological weapons laboratory, nicknamed Aralsk-7, was established here. Until its closure in the 1990s, the laboratory tested some of the deadliest pathogens known to man, including plague, anthrax, smallpox, brucellosis, tularemia, botulinum and Venezuelan equine encephalitis.
Acropolis of Athens
The Acropolis of Athens is an ancient citadel located on a high rocky outcrop above the city of Athens and containing the remains of several ancient buildings of great architectural and historic significance, the most famous being the Parthenon.
Cueva de las Manos
Cueva de las Manos is a cave or a series of caves located in the province of Santa Cruz, Argentina, famous (and gets its name) for the paintings of hands.
Machu Picchu
Machu Picchu is a 15th-century Inca site located 2,430 metres (7,970 ft) above sea level, in the Cusco Region, Urubamba Province, Machupicchu District in Peru.
Fly Geyser
Fly Geyser, also known as Fly Ranch Geyser is a man-made small geothermal geyser located in Washoe County, Nevada.
São Miguel das Missões
São Miguel das Missões is a Unesco World Heritage site located in the small town of São Miguel das Missões, in the northwestern region of Rio Grande do Sul state, in southern Brazil.
Kowloon Walled City
Kowloon Walled City was a densely populated, largely ungoverned settlement in New Kowloon, Hong Kong.
Giza Necropolis
The Giza Necropolis (Arabic: أهرامات الجيزة‎, IPA: [ʔɑhɾˤɑˈmɑːt elˈɡiːzæ], “pyramids of Giza”) is an archaeological site on the Giza Plateau, on the outskirts of Cairo, Egypt. This complex of ancient monuments includes the three pyramid complexes known as the Great Pyramids, the massive sculpture known as the Great Sphinx, several cemeteries, a workers’ village and [...]
Miranda Castle
Miranda Castle, also known as Noisy Castle, was a 19th-century castle in Celles, province of Namur, Belgium, in the region of the Ardennes.
The Terracotta Army
The Terracotta Army or the “Terra Cotta Warriors and Horses”, is a collection of terracotta sculptures depicting the armies of Qin Shi Huang, the first Emperor of China. It is a form of funerary art buried with the emperor in 210–209 BC and whose purpose was to protect the emperor in his afterlife. The figures, [...]
The Al-Rajajil Standing Stones
Al-Rajajil, sometimes referred to as the Standing Men, or Standing Stones, are a collection of some fifty groups of man-made stone columns near the ancient oasis town of Sakakah in Al-Jawf province in northwestern Saudi Arabia.
New Bedford Orpheum Theatre
The Orpheum Theatre opened on April 15, 1912 — the same day the Titanic sank. Located on Water Street in New Bedford, Massachusetts, it was part of a Beaux-Arts building that was built in 1910 by a French-Canadian group known as Le Club des Francs-Tireurs (The French Sharpshooters Club).
The Bottlecap Alley
For years, boozers from the Texas A&M University in College Station, Texas, and elsewhere, have been paving a short alley located between the pub Dry Bean and the restaurant Dixie Chicken, with used bottle caps.
Alert: The Most Northern Settlement In The World
Located just over eight hundred kilometers away from the North Pole, the community of Alert, on the northeastern tip of Ellesmere Island, in Nunavut, Canada, is the most northerly permanent settlement in the world.
Timgad
Timgad (called Thamugas or Tamugadi in old Berber) was a Roman colonial town in the Aurès Mountains of Algeria, founded by the Emperor Trajan around AD 100.
Rapa Nui National Park
Rapa Nui National Park is a national park and UNESCO-inscribed World Heritage Site located on Easter Island, Chile. Rapa Nui is the Polynesian name of Easter Island; its Spanish name is Isla de Pascua. The island is located in the southeastern Pacific Ocean, at the southeastern extremity of the Polynesian Triangle. The island was taken [...]
Sarajevo Tunnel
Five meters below the runway of Sarajevo's airport runs a short stretch of tunnel that was dug out during the Siege of Sarajevo to bring supplies to the cut-off city. For four years this 800-meter long tunnel was the besieged city’s only connection to the outside world, and its life support.
Hadrian’s Wall
Hadrian's Wall was a defensive fortification in Roman Britain, begun in AD 122 during the rule of emperor Hadrian. In addition to its military role, gates through the wall served as customs posts.
Kasbah Telouet
The Kasbah of the Glaouis is not old, yet it is one of the most important sights of yesterday's Morocco.
Río de la Plata
On the southeast coast of South America, between Uruguay and Argentina, there is a tapering intrusion of the Atlantic Ocean. The funnel-shaped intrusion extends about 290 kilometer inland and terminates at the point where the Uruguay and the Paraná rivers meet. This is Río de la Plata, or the “River of Silver” in Spanish.
Ayers Rock
Uluru, also known as Ayers Rock and officially gazetted as Uluru / Ayers Rock, is a large sandstone rock formation in the southern part of the Northern Territory in central Australia.
The Petra Monastery
Ad Deir is a monumental building carved out of rock in the ancient Jordanian city of Petra.
Pripyat
A vast stretch of snow-covered bleakness, this Ukrainian city has been deserted since the nuclear accident of April 1986.
Chełmno Extermination Camp
Chełmno extermination camp, known by the Germans as the Kulmhof concentration camp, was a Nazi German extermination camp situated 50 kilometres (31 mi) from Łódź, near a small Polish village called Chełmno nad Nerem
The Unfinished Obelisk
The unfinished obelisk is the largest known ancient obelisk and is located in the northern region of the stone quarries of ancient Egypt.
Volubilis
Volubilis is a partly excavated Roman city in Morocco situated near Meknes between Fes and Rabat.
Reed Flute Cave
The Reed Flute Cave is a landmark and tourist attraction in Guilin, Guangxi, China. It is a natural limestone cave with multicolored lighting and has been one of Guilin’s most interesting attractions for over 1200 years. It is over 180 million years old.
Ajanta Caves
The Ajanta Caves in Aurangabad district of Maharashtra, India are about 30 rock-cut Buddhist cave monuments which date from the 2nd century BCE to about 480 or 650 CE.
Atacama Desert
The Atacama Desert (Spanish: Desierto de Atacama) is a plateau in South America, covering a 1,000-kilometre (600 mi) strip of land on the Pacific coast, west of the Andes mountains. It is the driest non-polar desert in the world. According to estimates the Atacama Desert proper occupies 105,000 square kilometres (41,000 sq mi), but its [...]
Mausoleum at Halicarnassus
The Mausoleum at Halicarnassus or Tomb of Mausolus was a tomb built between 353 and 350 BC at Halicarnassus (present Bodrum, Turkey) for Mausolus, a satrap in the Persian Empire, and Artemisia II of Caria, who was both his wife and his sister.
The Norias of Hama
The norias of the ancient Syrian city of Hama are seventeen historic waterwheels located along the Orontes River that date back to the Byzantine Era.
Mount Everest
Mount Everest is the Earth's highest mountain, with a peak at 8,848 metres (29,029 ft).
Özkonak Underground City
Özkonak Underground City is an ancient city built on the northern slopes of Mt. Idis about 14 km northeast of Avanos in Turkey.
Vallone dei Mullini
The haunting buildings of the Vallone dei Mullini, or Valley of the Mill, in Sorrento, Italy were only abandoned in the 20th century, according to Atlas Obscura.
Craco, Basilicata
Craco is an abandoned comune and medieval village located in the Region of Basilicata and the Province of Matera in Italy.
Aogashima Volcano
Aogashima is a volcanic Japanese island in the Philippine Sea.
Oradour-sur-Glane
Oradour-sur-Glane is a commune in the Haute-Vienne department in the Limousin region in west-central France.
Cultybraggan Camp
The Cultybraggan camp is one of the last remaining World War 2 Prisoner of War Camp in the UK.
Coober Pedy
Aboriginal people have a long-standing connection with the area. The first European explorer to pass near the site of Coober Pedy was Scottish born John McDouall Stuart in 1858, but the town was not established until after 1915, when opal was discovered by Wille Hutchison.
Wieliczka Salt Mine
The Wieliczka Salt Mine located in the town of Wieliczka in southern Poland, lies within the Kraków metropolitan area.
Thorpe Marsh Power Station
Thorpe Marsh Power Station was a 1 Gigawatt (GW) (1,000 MW) coal-fired power station near Doncaster in South Yorkshire, England.
Excelsior Tunnel
In 1959 it was the centre of project Military Atomic Energy Authority operation orpheus investigating the possibility of masking the seismic signal given out by underground nuclear tests.
Iguazu Falls
Iguazu Falls are waterfalls of the Iguazu River on the border of the Argentine province of Misiones and the Brazilian state of Paraná.

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