Australia's Great Barrier Reef is 1,250 miles long!
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The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
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Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
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It's still possible to see the division between East and West Germany due to different light bulbs.
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Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
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The Niagara Falls moves upstream at an average rate of about 295ft a century!
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The city of Houston, Texas is built on a swamp and is slowly sinking!
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The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
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