The Coco de Mer (Lodoicea maldivica) - the largest seed in the world (Seychelles)

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Colca Canyon (Colombia) - the deepest canyon in the world

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Mount Washington Observatory - the windiest place in the World (USA)

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The Great Barrier Reef (Australia)

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Karl-Marx-Hof, Vienna, Austria - the longest residential building in the world (1100m, 0.68 mile)

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The Jack Hills of Western Australia are the home of the oldest known minerals on Earth

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Seoul (Korea) - the most populous city in the world (Density 17,000/km2 (45,000/sq mi))

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Biggest purely vertical drop: Mount Thor, Nunavut (1,250 m (4,101 ft))

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Rafflesia arnoldii (Indonesia) - the largest parasitic flower in the world (1 meter (3 ft) in diameter. It can weigh up to 11 kg)

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The Krubera Cave (or the Voronya Cave), Georgia - the deepest cave in the world (2,197 m (7,208 ft))

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Roe River (Montana, USA) - the shortest river in the world (61 meters or 201 feet)

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Vredefort crater (South Africa) - the largest crater in the World (diameter of roughly 300 km (190 mi))

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Scoresby Sund (Greenland) - the largest and longest fjord system in the world (length 350 km or 218 mi, 1450 m deep (4,760 ft))

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Bishop Rock (Sicily) - the world's smallest island with a building on it (the building of the lighthouse on the island was started in 1847 and completed in 1858. It is 49m (167 ft) in height)

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Lake Manitou (Canada) - the largest lake on a lake island in the world (has an area of about 104 square kilometres (40 sq mi))

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Red Sea - the warmest and saltiest sea in the world

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Indonesia - the largest archipelago in the world (consists of 5 large and 30 groups of islands, the total number of islands is 17,508)

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Lake Titicaca (the border of Peru and Bolivia, South America) - the most high-navigable lake in the world (a surface elevation of 3,812 m (12,507 ft), the maximum depth 281 m (922 ft))

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Mariana Trench - the deepest place on Earth  (10,971 m below sea level)

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Everest (Nepal) - the highest point of the world  (8,848 m (29,029 ft) above sea level)

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El Azizia (Libya) - the hottest place on earth (the record set September 13, 1922 - 57.8 °C (136 °F))

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The station "Vostok" (Antarctica) - the coldest place on Earth (The lowest reliably measured temperature on Earth of −89.2 °C (−128.6 °F) was in Vostok on 21 July 1983)

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Mawsynram (India) – The wettest place on earth (an annual rainfall of 11,872 millimetres (467.4 in)). Mawsynram received 26,000 millimetres (1,000 in) of rainfall in 1985.

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Atacama Desert (Chile) - the driest place on Earth (0.04 inches of rain a year. In some parts of the desert it has not rained for 400 years!)

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Mill Ends Park (Portland, OR, USA) - the smallest park in the world (introduced in 1948, consists of a circle diameter of 61 centimeters (2 ft), the area of 0.29 sq. m.)

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Angel Waterfall of Venezuela - the highest waterfall in the world (979 m (3,212 ft))

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Mauna Kea (Hawaii) - the highest mountain in the world (from the top to bottom it is 33,100 ft (10,100 m) high)

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Lake Baikal (Russia) - the deepest lake in the world (1,642 m (5,387 ft) at the deepest point)

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