Climbing up the icy face of a frozen waterfall can be thrilling, but is also a sport for the experienced.

A biologist representing an ecologically-minded industry discusses typical conflicts between business and environmental inter...

Florida's largest state park, Myakka River State Park features a large natural prairie, hiking trails and an amazing variety ...

The narrow channel and fast currents of the Tieton River offer rafters a wild ride.

From the banks of a marsh on Assateague Island, an amazing array of birds, deer, horses and even river otters is visible.

Water and erosion have shaped much of the terrain of Crater Lake National Park.

For just a few weeks in the fall, spectacular flocks of snow geese can be seen - and heard - at Vermont's Dead Creek Wildlife...

Harriman State Park has become the most important wintering range for the endangered trumpeter swan.

Close proximity to urban areas can have adverse effects on bald eagle populations, so observers keep a close eye on the eagle...

Many people are unaware of the numerous 'invisible' causes of water pollution that occur in both rural areas and cities.