A fishing excursion in America's national parks can mean casting in the ocean surf, running a surface lure along the lakeshore, watching a bobber in the backwaters of the bayou, or mastering the art of fly-fishing hip-deep in a cool stream.

From the Florida Everglades to Botswana's Okavango Delta, wetlands are some of the most wildlife-rich places on Earth.

The best way to go green in a big city is to forget the car and take to the streets on foot.

A few trails in the U.S. enjoy a high profile because of their overall length, remoteness, amazing scenery or historical significance. These classics of America's hiking scene draw much-deserved attention from both casual hikers and hard-core trekker