Geography

Sand Dollar

Sand Dollar

Definition – The term sand dollar (also known as a sea cookie or snapper biscuit in New Zealand, or pansy shell in South Africa) refers to species of extremely flattened, burrowing sea urchins belonging to the order Clypeasteroida. Some species within the order, not quite as flat, are known as .....

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Moeraki Boulders, New Zealand

Moeraki Boulders, New Zealand

The Moeraki Boulders are a group of large spherical “stones” on Koekohe Beach near Moeraki on New Zealand’s Otago coast between Moeraki and Hampden. They occur scattered either as isolated or clusters of boulders within a stretch of beach where they have been protected in a scientific reser.....

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Teotihuacán, Mexico

Teotihuacán, Mexico

“Teotihuacan” /teɪˌoʊtiːwəˈkɑːn/ (Spanish: Teotihuacán) (Spanish pronunciation: teotiwa’kan), is an ancient Mesoamerican city located 30 miles (50 km) northeast of modern-day Mexico City. It was massive, one of the first great cities of the Western Hemisphere. And its origins a.....

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Lake Hillier, Australia

Lake Hillier, Australia

“Lake Hillier” is a saline lake on the edge of Middle Island, the largest of the islands and islets that make up the Recherche Archipelago in the Goldfields-Esperance region, off the south coast of Western Australia. It is particularly notable for its pink color. A long and thin shore divides.....

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Kawah Ijen, Indonesia

Kawah Ijen, Indonesia

“Kawah Ijen” Volcano is a group of composite volcanoes located on the border between Banyuwangi Regency and Bondowoso Regency of East Java, Indonesia. It is inside a larger caldera Ijen, which is about 20 kilometers wide. The Gunung Merapi stratovolcano is the highest point of that complex. T.....

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Loch Ness, Scotland

Loch Ness, Scotland

“Loch Ness” (/ˌlɒx ˈnɛs/; Scottish Gaelic: Loch Nis [l̪ˠɔx ˈniʃ]) is one of Scotland’s best-known attractions; it is large, with a depth of 788 feet (240 meters), freshwater loch in the Scottish Highlands extending for approximately 37 kilometers (23 miles) southwest of Inverness. .....

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Fairy Circles, Namibia

Fairy Circles, Namibia

“Fairy Circles” (arid grass formation) are circular patches of land barren of plants, varying between 2 and 15 meters (7 and 49 ft) in diameter, often encircled by a ring of stimulated growth of grass. A defining feature of the majestic ‘Namib Desert,’ Namibia these dusty patches of earth.....

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Great Blue Hole, Belize

Great Blue Hole, Belize

The Great Blue Hole, also known as the Belize Blue Hole is a giant marine sinkhole off the coast of Belize. It lies near the center of Lighthouse Reef, a small atoll 70 km (43 mi) from the mainland and Belize City. The hole is circular in shape, 318 m (1,043 ft) across and 124 […]

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Door To Hell, Turkmenistan

Door To Hell, Turkmenistan

The Door to Hell or Gates of Hell, actually known as the Darvaza Gas Crater (Turkmen: Garagum ýalkymy), is a natural gas field that collapsed into a cavern located in Derweze, Turkmenistan. It’s the stuff that nightmares are made of a gaping, fiery chasm tearing a hole in the Earth. The Darvaz.....

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Richat Structure, Mauritania

Richat Structure, Mauritania

The Richat Structure, also called Guelb er Richât (Arabic قلب الريشات Qalb ar-Rīšāt), the “Eye of Africa”, or “Eye of the Sahara” is a prominent circular feature in the Sahara’s Adrar Plateau, near Ouadane, west-central Mauritania. From space, this natural curiosity fo.....

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Uluru (or Ayers Rock), Australia

Uluru (or Ayers Rock), Australia

“Uluru” (/ˌuːləˈruː/, Pitjantjatjara: Uluṟu /ˈʊ.lʊ.ɻʊ/), also known as “Ayers Rock” (/ˌɛərz -/, like airs) and officially gazetted as Uluru / Ayers Rock, is a giant monolith, one of the tors (isolated masses of weathered rock) in southwestern Northern Territory, central Aus.....

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Yonaguni Monument, Japan

Yonaguni Monument, Japan

The “Yonaguni Monument” (Japanese: 与那国島海底地形 Hepburn: Yonaguni-jima Kaitei Chikei, lit. “Yonaguni Island Submarine Topography”), is an underwater rock structure that was discovered in the mid-1980s near Yonaguni Island, Japan. It is also known as “Yonaguni (Island) Submar.....

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