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![An islet called Oodaq is the most northerly point of land. [©Shutterstock, 2010]](/image/350x200/583_what_are_the_northernmost_and_southernmost_points_of_land.jpg)
Where are the northernmost and southernmost points of land?
Learn where the northernmost and southernmost plots of land are on Earth.
Learn about the northernmost and southernmost points of land on Earth, and find out which states boast the U.S.’s most northern and southern points of land.
![Mt. McKinley is the highest point in the United States. [©Shutterstock, 2010]](/image/125x125/2378_what_is_the_highest_and_lowest_elevation_in_the_united_states.jpg)
What is the highest and lowest elevation in the United States?
Find out what the highest and lowest elevation in the United States is. |
![The prime meridian occurs at zero degrees longitude. [©Shutterstock, 2010]](/image/125x125/2369_what_is_the_prime_meridian.jpg)
What is the prime meridian?
Learn what the prime meridian is. |
![The Grand Canyon was formed over a period of 15 million years. [©Shutterstock, 2010]](/image/125x125/475_how_long_is_the_grand_canyon.jpg)
How long is the Grand Canyon?
Learn the length of the Grand Canyon, the largest land gorge in the world. |
![There are eight major rivers in the world that flow northward. [©Shutterstock, 2009]](/image/125x125/592_which_rivers_flow_northward.jpg)
Which rivers flow northward?
Discover which rivers flow northward in the U.S. and around the world. |
![Discover the Seven Wonders of the World. [© Shutterstock Images, 2009]](/image/125x125/what-are-the-seven-wonders-of-the-world.jpg)
What are the Seven Wonders of the World?
Learn more about the Seven Wonders of the ancient and modern world. |
![The Nile is the longest river in the world. [©Jupiter Images, 2009]](/image/125x125/2410_What_are_the_longest_rivers_in_the_world.jpg)
What are the longest rivers in the world?
Find out what the longest rivers in the world are. |
![The Marianas trench is thought to house the lowest point on earth. [©Jupiter Images, 2009]](/image/125x125/2377_What_are_the_highest_and_lowest_points_on_earth.jpg)
What are the highest and lowest points on earth?
Find out what the highest and lowest points on earth are. |
![Landsat satellites use multi-spectral scanners. [©Jupiter Images, 2009]](/image/125x125/2373_What_are_Landsat_maps.jpg)
What are Landsat maps?
Learn what Landsat maps are. |
![The Piri Reis map was found in 1929. [©Jupiter Images, 2009]](/image/125x125/2371_What_is_the_Piri_Re_is_map.jpg)
What is the Piri Reis map?
Find out what the Piri Reis map is. |
![West of the North American continental divide all water eventually flows into the Pacific Ocean. [©Jupiter Images, 2009]](/image/125x125/2359_What_and_where_is_the_continental_divide_of_North_America.jpg)
What and where is the continental divide of North America?
Learn about the continental divide of North America. |
