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Mirny Diamond Mine

The Mir mine, also called the Mirny mine, is an open pit diamond mine located in Mirny, Sakha Republic, in the Siberian region of eastern Russia. The mine is >525 meters (1,722 ft) deep (4th in the world) and has a diameter of 1,200 m (3,900 ft), and is one of the largest excavated holes in the world.
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The Petra Treasury

Al-Khazneh is one of the most elaborate temples in the ancient Arab Nabatean Kingdom city of Petra. As with most of the other buildings in this ancient town, including the...
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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.
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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.
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Ilha da Queimada Grande (Snake Island)

Snake Island is one of the deadliest and most restricted places on earth. The island lies off the coats of Brazil and is home to at least 4000 species of the world’s most venomous snakes alleged to possess the ability of melting human flesh. The island is banned to tourists and is only open to scientists for study and research.
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The Fortress of Mimoyecques

About twenty kilometers from the city of Boulogne-sur-Mer, near the hamlet of Mimoyecques, in northern France, lies a once-secret underground Nazi base.
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Kissimmee’s Monument of States

Back in 1941, after Japan’s sneak attack on Pearl Harbor, a retired physician and president of a local tourist club, Charles W. Bressler-Pettis, devised an idea to erect a unique monument in Kissimmee, Florida, that he hoped would inspire American solidarity in response to the attack.
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The Dolerite Columns

The coastline of the southern Tasmania, in Australia, is composed of stunning rock columns that protrude up to 300 meters from the sea level. These rocks are what geologists call dolerites, with its distinct elongated shape and hexagonal columns.
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Monument Valley

Monument Valley is a region of the Colorado Plateau characterized by a cluster of vast sandstone buttes, the largest reaching 1,000 ft (300 m) above the valley floor.
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Pamukkale

Pamukkale, meaning "cotton castle" in Turkish, is a natural site in Denizli Province in southwestern Turkey. The city contains hot springs and travertines, terraces of carbonate minerals left by the flowing water.
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Preikestolen

Preikestolen or Prekestolen (English: Preacher’s Pulpit or Pulpit Rock) is a famous tourist attraction in the municipality of Forsand in Rogaland county, Norway. Preikestolen is a steep cliff which rises...
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Meteora

The Metéora is one of the largest and most important complexes of Greek Orthodox monasteries in Greece, second only to Mount Athos.
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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.
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Naica Mine

The Naica Mine of the Mexican state of Chihuahua, is a working mine that is best known for its extraordinary selenite crystals.
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Trolltunga

Trolltunga is a piece of rock hanging horizontally out of a mountain about 700 meters above the Ringedalsvatnet in Skjeggedal close to Tyssedal by the Sørfjorden of the Hardanger Fjord in the municipality of Odda, Norway.
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Ball’s Pyramid

Ball's Pyramid is an erosional remnant of a shield volcano and caldera that formed about 7 million years ago.
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Mount Roraima

Mount Roraima is the highest of the Pakaraima chain of tepui plateau in South America.
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Stonehenge

One of the most famous sites in the world, Stonehenge is the remains of a ring of standing stones set within earthworks. It is in the middle of the most dense complex of Neolithic and Bronze Age monuments in England, including several hundred burial mounds.