Geography Of The World
How Many Invasive Species Are In The Great Lakes?
More than 180 non-native species have made their way to the Great Lakes (largely due to human activity), of which 64 are invasive.
Landlocked States Of The United States
All the 27 US landlocked states are contiguous states on mainland North America. 16 states are singly, 10 are doubly, and only 1 is triply landlocked.
Deserts of Europe
Discover the surprising deserts of Europe! Explore Europe's unique arid landscapes, including Spain's Tabernas Desert and Iceland's volcanic sands.
How Asian Carp Are Changing the Great Lakes Ecosystem
Asian carp are aggressive in their migration towards the Great Lakes; if they invade the world’s largest freshwater system, the consequences will be damaging.
5 Snake-Filled Waters In New Zealand
Though New Zealand has no native snake populations and strict environmental protections, venomous sea snakes occasionally wash up on its shores.
5 Snake-Filled Waters In Queensland
Queensland's waters are filled with a variety of snakes, including venomous aquatic and land-dwelling species, from its oceans to its rivers.
Lakes With Islands That Contain Lakes
Remote inland waters, unique ecosystems, and fishing and wilderness adventures await across North America’s most fascinating nested lakes.
Polar Deserts
Polar deserts are colder and drier than most hot deserts. See how Antarctica and the Arctic meet the definition.
The Longest Rivers In Japan
The Shinano, or Chikuma, on the island of Honshu is the longest river in Japan, while the River Tone is the only other in the country 200 miles or longer.
The 5 Most Dangerous Bodies Of Water In Wyoming
From icy lakes to fast-moving rivers, explore the five most dangerous bodies of water in Wyoming and the risks they pose.
6 Crystal-Clear Lakes in Wisconsin that You Have to See
These are the six clearest lakes in Wisconsin, boasting crystal-clear waters that visitors have to enjoy via swimming, boating, diving, and other activities.
The Lakes Making The Most Progress Against Toxic Algae
Discover lakes leading the fight against toxic algae, with real progress in water quality, restoration, and nutrient reduction efforts
The Largest Watersheds in the United States
Explore the largest U.S. watersheds, how they shape rivers, ecosystems, and water flow across vast regions of the country.
Matanuska-Susitna Valley
The Matanuska-Susitna Valley, between Anchorage and Denali National Park, covers 24,707.3 square miles and is the 6th-largest county in South Central Alaska.
The 5 Most Dangerous Bodies Of Water In Washington
While undeniably beautiful, bodies of water are naturally hazardous if not treated with care and respect and these are Washington's most dangerous.
The Best Preserved Shipwrecks In The Great Lakes
With official estimates ranging from 6,000 to 10,000 wrecks in total, the Great Lakes offer a chance to dive in and see the best-preserved shipwrecks.
The Lakes Most Affected By Zebra Mussels In North America
Zebra mussels are spreading across North America, impacting lakes like Lake Champlain and Lake Winnipeg and disrupting ecosystems and water systems.
How Many Invasive Species Live In The Great Lakes?
While there are more than 60 invasive species in the Great Lakes, these eight are among the most destructive and challenging.
5 Snake-Filled Waters In Australia
Learn why these water habitats are ideal for snakes in Australia, what species live there, and how dangerous it is for people.
5 Snake-Filled Waters In Vermont
Discover 5 Vermont lakes and rivers where 11 native snake species thrive from spring to fall, including water and rare rattlesnake habitats.
The Most Island Filled Lakes In North America
These lakes include islands shaped by geology, glacial carving, and long‑term erosion. Find out which lake contains the most islands today.
5 Snake-Filled Waters In Tasmania
The eastern tiger snake, the lowland copperhead, and the white-lipped snake are all native to Tasmania and can be found in the following lakes and rivers.
5 Snake-Filled Waters In South Australia
It is no secret that Australia is home to some of the world's deadliest animals, and the snakes that occupy the waters of South Australia are no exception.
6 Snake-Filled Waters In New England
New England has modest snake diversity, but waters like Quabbin Reservoir and Narrow River provide especially strong habitat for several native species.
5 Snake-Filled Waters In The Northern United States
Discover five snake-filled waters in the northern U.S. and learn where these reptiles live, how common they are, and what to expect outdoors.
5 Snake-Filled Waters In Western Australia
Explore five snake-filled waters in Western Australia where venomous sea snakes and other species thrive along rivers, coasts, and wetlands.
5 Snake-Filled Waters In Southern California
Discover five snake-filled waters in Southern California where rattlesnakes and other species thrive in lakes, rivers, and wetlands.
The Deepest Lakes In The United States
The 10 deepest lakes in the United States were shaped by powerful natural forces over thousands of years, including volcanic eruptions, glaciers, and floods.
5 Snake-Filled Waters In Victoria
Discover five waterways in Victoria where snakes are commonly spotted, from quiet wetlands to popular rivers and lakes.
5 Snake-Filled Waters In The Pacific Northwest
The Pacific Northwest’s rivers, marshes, and shorelines support diverse snake species, especially visible in late spring and summer around sunny habitats.
What And Where Are Coastal Deserts?
As the name implies, coastal deserts are deserts stretching along the sea coast. They are one of the four major types of deserts.
The 10 Longest Lakes in Canada
Explore Canada’s longest lakes, from Lake Superior to Lake Huron, and how their length shapes water quality, ecology, tourism, and human use.
8 Snake-Filled Waters In The Rockies
Rocky Mountain waterways host at least 15 snake species, mostly harmless, with prairie and western rattlesnakes the main dangerous ones.
The Most Remote Islands in the Great Lakes
The Great Lakes are home to a large number of remote islands, including some with fascinating natural and human history.
The Longest Bridges on the Great Lakes
Learn about the longest bridges across the Great Lakes, from the Mackinac Bridge to the Burlington Skyway, and the engineering behind these massive crossings.
8 Snake-Filled Waters In Delaware
Delaware’s rivers, marshes, and ponds hide plenty of snakes, with some waters seeing far more slithering visitors than you might expect.
5 Snake-Filled Waters In Maine
Maine's snake population can be found in these local lakes and rivers, featuring eastern ribbonsnakes, garter snakes, and more.
How Many Shipwrecks Are in the Great Lakes?
Historians, researchers, and maritime archaeologists speculate that there are between 4,000 and 10,000 shipwrecks scattered across the Great Lakes.
The Largest Bays on the Great Lakes
From the formidable Georgian Bay on Lake Huron to lesser-known arms and inlets, these bodies of water define the coastline of the Great Lakes.
The Longest Lakes in the US
America’s longest lakes stretch across states and borders, shaped by glaciers, rivers, and time, defining the nation’s geography.