Caves – this is the last unexplored frontier of our planet, a mysterious world that dare to look into only the most desperate daredevils. Beneath our feet for many miles stretched a labyrinth of underground caves and tunnels. Today caves remain the most poorly understood places on the planet, and yet people rarely descend into the dark dungeons first. It is home to the most bizarre and little-known animals on Earth …
The famous Lake Michigan is part of the Great Lakes system. This is the third largest lake in the United States has an area of 58,000 sq.km. Additionally, Michigan ranked fifth among lakes on the planet. Its depth – 281 m.
Coast of Michigan weakly striated, hilly and consists of islands of various sizes, which are mainly distributed over the northern coast. From Huron to Mackinac connects the tide, with the Mississippi River – Ship Canal Chicago-Lockport. In Michigan, similar to those of the entire system of Great Lakes environmental conditions.
For many people in other countries, U.S. Texas, abbreviated as TX, is associated with a national way of the Americans. Area of more than 695 thousand square kilometers and the number of more than 22 million residents, Texans, it was in 2nd place after Alaska and California.
This is a world renowned American Center for Agriculture and Livestock, the high level of education, developed oil and gas and chemical industries, as well as financial institutions. Is the capital of the ancient city of Austin, located in the heart of the state.
“Carlsbad Caverns” is a national park in the mountains of Guadalupe in New Mexico, USA. The name of the park was named after the nearby town of Carlsbad, which, in turn, is the namesake of the famous city in the Czech Republic. The main attraction of the park – Carlsbad Caverns. Her age – 250 million years. She appeared as a result of a reef in the Inland Sea of Japan (400 miles long), which closed the area. This horseshoe shaped reef, created from the remains of sponges, algae, sea shells and calcite. Eventually the sea evaporated, and the reef was buried under a mass of salt and gypsum.
Mammoth Cave is the longest cave system from all known in the world. Its total length is 580 km. However, new discoveries are constantly increasing the size of cavern caves.
Mammoth Caves were created from extremely hard rock of stone, so the tragedy of it is not safe. Nevertheless, for the preservation of monuments of nature reserve was established called the National Park Mammoth Cave, with an area – 214 square meters. of kilometers.
North America, together with the islands belonging to it is located between 83 and 7 ° N, ie crosses from north to south all the climatic zones of the northern hemisphere, except for the equatorial. The most extensive and solid part of the continent lies within the sub-Arctic and temperate regions, some smaller – subtropical. In tropical and subequatorial zone is the narrowest part of North America to the Arctic zone are mainly of the island. These geographical position is due to large differences in the heating of the northern and southern parts of the continent. The annual amount of solar radiation varies from 7560 MJ/m2 (180 kcal/cm2) in the southwest to 3360 MJ/m2 (80 kcal/cm2) in northern Canada. In this case the radiation balance of the winter surface of the continent is positive just to the south of 40 ° N, the greater part of North America, it is negative. Almost the entire Greenland radiation balance is negative during the year.
Popular recreation spot Cape Cod is known for its gorgeous sandy beaches 890 km long. They are a national coastal zone and the perfect place to relax. In summer there is a soft warm weather. The average temperature 72 degrees Fahrenheit.
Main attractions:
On Cape Cod is a zoo Buttonwood Park Zoo and Park Zooquarium, combining zoo and aquarium. Nature lovers can also visit the national coastal park in the city of Eastham, Monomoy Wildlife Refuge in Chatham or Reserve Wellfleet Bay, enjoy the magnificent sunsets in Orleans or whale watching during the boat ride.
On the boundary of the North American and Caribbean tectonic plates, are located the U.S. Virgin Islands which are of volcanic origin. The vertices of the ancient undersea volcanoes that make up the base of the islands, heavily smoothed by erosion and form a low hilly ridges rise above the water at 200-300 meters (the highest point of the island – Mount Crown Mountain, 474 meters, is located on the island of St. Thomas). Narrow coastline of the northern islands of low-lying and fairly strongly dissected by deep bays and shallow coves. Santa Cruz, the largest of the U.S. Virgin Islands, lies well south of the main group and has a much more diverse landscape, slowly descending from the hilly areas in the north and north-east (altitude up to 217 m) to the vast southern plains.
The desert of Arizona, located in the United States, conceals a lot of amazing puzzles that which scientists still cannot explain. The fact that in ancient times, as geologists have established in this place was a swamp or sea, surrounded by volcanoes. The scientific world lost in conjectures as it could turn into a beautiful park. After all, every tree and rock in the park is a real masterpiece of harmony of form and color.
The Arizona desert is a world famous Valley of the Red locks. It is located where the borders of four states: Utah, New Mexico, Arizona and Colorado. The mystery of this place lies in the fact that, near the famous Grand Canyon, fossil wood and stunning in its beauty pink stone arches
Niagara Falls (The Niagara Falls) – a complex of waterfalls on the Niagara River, which separates the U.S. state of New York from Canadian province of Ontario. Niagara Falls – a waterfall, “Horseshoe” (English Horseshoe Falls), sometimes called the Canadian Falls (born Canadian Falls), American Falls (English American Falls) waterfall and “Veil” (born Bridal Veil Falls). Although the elevation and not too large, the waterfalls are very wide, and the volume of water passing through it Niagara Falls – the most powerful in North America.
The height of waterfalls is 53 meters. The foot of a waterfall obscured the American heap of stones, which is why its apparent height – only 21 meters. Width of the American Falls – 323 feet, a waterfall, “Horseshoe” – 792 meters. The volume of falling water is up to 5700 m3 / s.