Turn your anger into action by supporting lion-loving charities that are doing great things for big cats.
A new study confirms what every cyclist already knows.
Kettle lakes are pools formed by massive ice chunks from retreating glaciers. Learn about nine of North America's most fascinating kettle lakes.
For scenic views and a look at history, it’s hard to outshine a lighthouse. Learn about nine incredible lighthouses in the U.S. that you can visit.
There are 154 National Forests in 41 states in the United States. Discover each of them, state-by-state.
These are the fee-free days for national parks, wildlife refuges, national forests and more protected wilderness areas for 2020.
Every U.S. state is No. 1 in some environmental or public health category ... and No. 50 in another.
Learn how to identify different types of common trees with these leaf silhouettes, including maple, sweetgum, birch, oak, and more.
The nonprofit EcoAthletes is hoping to inspire a #ClimateComeback, thanks to Olympians and players from the MLB, NFL, WNBA, and more.
Cooperating isn't always easy among male lions, but sometimes being related can make a difference with teamwork.