The Window is a narrow gap in the Chisos Mountains that frames the surrounding desert and showcases spectacular sunsets.

The Ernst Tinaja Trail follows a dry wash past colorful, uplifted limestone walls to a deep, dark pool carved in the canyon floor.

This Brazoria County tree is not as attractive as the previous state champion live oak, but it's bigger.

Dung beetles are nature's waste haulers, removing tons of livestock droppings from a pasture in a matter of days.

Nutria are either cute and furry or the next worst thing to a fire ant.

Know what birds are where and when to look for them with Cornell University's amazing eBird site.

The predators that are eating them now will become their prey in a few years.

When Brazos Bend's alligators start bellowing a chorus spreads across the marsh.

When birds are having sex, it's hard to keep watching - or to stop.

The South Rim overlooks a landscape of Chihuahuan desert and carpeted peaks that reaches into Mexico.