🌋 Natural wonders The natural wonders of the world 1 Amazon rainforest2 Komodo National Park3 Grand Canyon S sofia_noscope ❤ 1 · ▲ 45 · 14 items
🪐 Space The most mind-blowing space facts 1 Moon footprints can last millions of years2 A year on Neptune lasts 165 Earth years3 The Moon drifts about 3.8 cm away from Earth each year C cientifica_bucaramanga ❤ 1 · ▲ 41 · 28 items
🌱 Plants & flowers The national flower of every Spanish-speaking country 1 Argentina: Cockspur coral tree (ceibo)2 El Salvador: Izote flower (Yucca gigantea)3 Bolivia: Cantuta and patujú A Abril ❤ 1 · ▲ 39 · 20 items
🌋 Natural wonders Sweden's 25 largest lakes 1 Hjälmaren2 Vättern3 Vänern E Emil Larsson ❤ 1 · ▲ 39 · 25 items
🐾 Animals The most venomous animals in the world 1 Box jellyfish2 Blue-ringed octopus3 Stonefish J Juliana Lopes ❤ 1 · ▲ 38 · 12 items
🐾 Animals Critically endangered animals we could lose 1 Vaquita2 Sumatran tiger3 Yangtze finless porpoise R Róisín D. ❤ 1 · ▲ 35 · 16 items
🐦 Birds The smartest birds in the world 1 New Caledonian crow2 Kea3 Common raven É Émilie Lévesque ❤ 1 · ▲ 31 · 14 items
🌱 Plants & flowers List of flowers, trees, and birds in 47 prefectures 1 Saitama prefecture2 Chiba prefecture3 Kyoto Prefecture 松 松本 美咲 ❤ 1 · ▲ 27 · 47 items
🌋 Natural wonders The 30 largest lakes in Japan 1 Lake Biwa2 Lake Inawashiro3 Lake Shinji Y Yuki Fujita ❤ 1 · ▲ 26 · 30 items
🌋 Natural wonders The longest rivers in the world 1 Nile2 Yangtze (Chang Jiang)3 Amur–Argun I internauta_toledo ❤ 1 · ▲ 26 · 23 items
🌋 Natural wonders The highest mountains in the world: the 14 eight-thousanders 1 Mount Everest2 K23 Manaslu Q quark_urban ❤ 1 · ▲ 25 · 14 items
🧪 Scientific discoveries The greatest breakthroughs in the history of medicine 1 Aspirin (1897)2 Insulin (1921)3 Vesalius's anatomy (1543) G geek_bari ❤ 1 · ▲ 21 · 24 items
🐾 Animals The smallest mammals in the world 1 Bumblebee bat2 Mouse lemurs3 Least weasel L leaneuchatel ❤ 1 · ▲ 19 · 10 items
🌋 Natural wonders The 25 longest rivers in Russia 1 Olenyok2 Kama3 Ob (with the Irtysh) Z Zhenya Sokolov ❤ 1 · ▲ 18 · 25 items
🌋 Natural wonders The 25 highest volcanoes in the world (all in the Andes) 1 Monte Pissis2 Nevado Tres Cruces3 Ojos del Salado M microscopio_errante ❤ 1 · ▲ 17 · 25 items
🐠 Sea life The strangest creatures of the deep sea 1 Anglerfish2 Blobfish3 Giant isopod M Marloes ❤ 1 · ▲ 12 · 11 items
🧪 Scientific discoveries The 17 equations that changed the world, according to Ian Stewart 1 The Pythagorean theorem2 Calculus3 The normal distribution A Amandine Durand ❤ 1 · ▲ 12 · 17 items
🌋 Natural wonders · 🇫🇷 France The most beautiful caves and chasms in France 1 Gouffre de Padirac (Lot)2 Aven Armand (Lozère)3 Chauvet Cave 2 (Ardèche) M madamevalise ❤ 1 · ▲ 11 · 11 items
🐾 Animals The animals that kill the most humans each year 1 Mosquito2 Snake3 Dog A Amandine Durand ❤ 1 · ▲ 10 · 15 items
🐾 Animals The most famous horses in history 1 Marengo2 Cincinnati3 Comanche F Francesco Rizzi ❤ 1 · ▲ 8 · 14 items
🧪 Scientific discoveries The most important scientific discoveries of all time 1 The laws of motion and universal gravitation2 Germ theory of disease3 Evolution by natural selection Q quark_urban ❤ 0 · ▲ 48 · 22 items
🐾 Animals The most famous dogs in history 1 Laika2 Tasha3 Barry F Francisca Pérez ❤ 0 · ▲ 45 · 10 items
🌋 Natural wonders · 🇲🇽 Mexico The most beautiful cenotes in Yucatán 1 Homún cenotes (Santa Rosa, Santa Bárbara)2 Ik Kil Cenote3 Suytún Cenote M maletas76 ❤ 0 · ▲ 35 · 11 items
🌋 Natural wonders The deepest lakes in the world 1 Lake Baikal (Russia)2 Crater Lake (United States)3 Lake Tanganyika (Africa) S sofia_noscope ❤ 0 · ▲ 34 · 19 items