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Almost all sea voyages are quite dangerous, however interesting to know which of the perfect expeditions were the most risky and insane? 
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1.Rose Savage became the first woman to independently swam across the Atlantic Ocean. And in 2007, she decided repeat your feat by conquering the Pacific Ocean. However after her boat overturned three times, the trip had to be interrupted. On the for several years, the restless Rose tried her hand again and again. And only on June 3, 2010, after 249 days of self traveling, Rose became the first woman in the world to swim Pacific Ocean. 
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2. In 1914, researcher Ernest Shackleton and crew of the sailing vessels of 27 people decided to anchor off the coast Antarctica. The purpose of the expedition was to cross continent. However, before reaching the coast of Antarctica, the ship The Endurance fell into an ice trap and sank. And though Shackleton managed to save the whole team from death, the purpose of the expedition was not achieved. 
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3. In the last days of the American Civil War, eight soldiers Confederations were immersed in Atlantic waters to a depth of 12 m s the purpose of undermining an enemy ship. They plunged into pretty the primitive submarine Hanley. This is the first underwater world the boat sank twice, and both times it was lifted from the bottom. On the night of 17 February 1864, Hanley completed her mission and undermined massive warship in minutes. However the boat crew didn’t return from a combat mission and only in 2000, after 136 years, archaeologists raised a boat with the remains of team members. 
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4. Pacific explorer James Cook studied mapping the coast of New Zealand, and in 1776 decided build a new sea route through the Arctic (legendary Northwest Passage), as a result of which it completely circled the earth ball. Cook and his crew sailed to the west coast of Canada, but ice did not allow them to cross the Arctic. However, Cook managed release the first maps of the west coast of North America. 
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5. Fernand Magellan, Portuguese navigator, left Spain in 1519 in the hope of paving the western route to India, for promoting the spice trade. His expedition consisting of five ships and numbering 277 people, made the first round the world swimming. However, not only Fernand, but the entire crew, except eighteen people did not return home. The reason for this is scurvy, taking the lives of many, a raging storm, drowned two ship, and a riot, which killed Fernand Magellan himself. 
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6. Christopher Columbus completed four research expeditions. In 1502, he left Spain for his last an expedition that ended on the Caribbean island of Hispaniola. All four Columbus ships perished. One of the ships sank, the other – rotted, and the remaining two ran aground. Columbus and his team more years had to live among hostile natives, before following them the ship that saved them came. 
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7. Chinese traveler Zheng He led seven marine large-scale military trade expeditions. Your first flight to 1405, Zheng He committed to Southeast Asia. Then over over the next 28 years, Zheng He made six more lengthy expeditions, each with hundreds of ships and up to 28,000 members crew. He traveled a lot along East Africa, and returning to China with ships loaded with spices, ivory bone and even giraffes. 
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8. According to Eric’s famous Viking travel saga Red, researcher Leif Erickson suggested that west of Greenland once existed land. Fortunately for Erickson and his crew, these rumors turned out to be true. Sailors landed on rocky stretch of coast (currently Labrador). However not impressed by the bare land, the crew hastened to go further way. The second landing on the sandy beaches of Newfoundland, also brought disappointment. The third time, Erickson was lucky – his the ship approached the fertile shores of Vinland in North America, full of salmon and wild grapes. 
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9. Many thousands of years ago, our ancestors went to sea on wooden rafts and canoes. Although little is known about these first explorers of the ocean, scientists suggest that the ancestors Homo erectus sailed in the Mediterranean for about 130,000 years back. And about 50,000 years ago, they arrived in Australia, and then began to swim across the Pacific Ocean. These sailors went to risky travels and gradually colonized the islands Polynesia And from there they reached the coast of Chile, preliminary estimates, a hundred years earlier than the discovery by the Spaniards South America.
Translation by Sergey Vasilenkov
Antarctica Arctic War China Islands
