The Tagus River
The longest river of the Iberian Peninsula extends for 650 miles through Spain and Portugal.
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Environment
Latest
When And Where Do Typhoons Occur?
These large tropical storms are known for wreaking havoc throughout the Northwest Pacific Basin.
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What Are Velds, Veldts, And Bushvelds?
These unique ecological regions of flat grasslands are found throughout much of the southern portion of Africa.
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Where Is The Ogallala Aquifer?
The Ogallala Aquifer, part of the United States' High Plains Aquifer, is one of the largest aquifers in the world.
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What Do You Know About Opah, The Warm-Blooded Fish?
Also known as a moonfish, sunfish, or kingfish, these were the first fish species discovered to be able to self-regulate and maintain a warm body temperature.
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Where Is Sundarbans National Park?
An exotic world of mangroves and man eaters lies in the state of West Bengal in eastern India.
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Did You Know Lighting Can Occur In Clouds From Volcanic Eruptions?
Arguably one of the most unique natural phenomenons in the world, these are often referred to as "dirty thunderstorms".
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What Are The Sailing Stones Of Death Valley?
Apparently moving by themselves across the desert, these rocks are likely being carried along by bacteria.
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What Is The Rainbow Eucalyptus?
The colorful Rainbow Eucalyptus is the only eucalyptus variety naturally found growing in the Northern Hemisphere.
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What Animals Live In Oceania?
Australia, New Zealand, and the other island nations of Oceania have developed their own unique sets of fauna, setting them apart in the world of biodiversity.
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Where Does Mount Tai (Tai Shan) Rise?
The easternmost of the Five Great Mountains of China rises more than one mile into the sky in Shandong Province.
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Did You Know The Mysterious Aokigahara Forest Is Also Known As The Suicide Forest?
Dozens of people take their own lives each year in this dense wilderness area near the foot of Mount Fuji.
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What Are Fairy Circles, And Why Do They Occur?
New theories are emerging regarding the causes leading to the mysterious formation of fairy circles.
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What Is Catatumbo Lightning?
This unique phenomenon only occurs around Lake Maracaibo and the Catatumbo River in Venezuela.
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Where Is The Kuznetsk Depression?
Some of the largest coal deposits in the world lie at the feet of the mountains of South-Central Siberia.
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Where Do The Longfellow Mountains Rise?
An extension of the Appalachian Range, these mountains were so named by the state of Maine to honor Henry Wadsworth Longfellow.
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Where Does Mount Makarakomburu Rise?
Makarakomburu reaches an elevation of 7,580 feet on the island of Guadalcanal in the Solomon Islands.
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What Do You Know About New Hampshire's Mount Washington?
The highest point in the Northeastern United States is famous for its vistas, cycling races, and neighboring lakes.
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Did You Know That The Pacific Northwest Has Four Peaks Each Named Mount Washington?
One in the Washingtonian Cascades, one in the Washingtonian Olympics, and one in the Oregonian Cascades, with a smaller Mt. Washington in Skagit County, WA.
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The Nanticoke River
At more than 60 miles long, the Nanticoke is one of the most important tributaries of Chesapeake Bay.
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