Watch a sneak peek of "American Eagle" -- Coming to NATURE Fall 2008: "American Eagle" is the first HD hour on bald eagles ever.

In 1963, there were less than 500 bald eagle breeding pairs in the lower 48 states. Click around these interactive maps to find out how many pairs there were from 1990 to 2000.

In 1963, there were less than 500 bald eagle breeding pairs in the lower 48 states. Click around these interactive maps to find out how many pairs there were from 1990 to 2000.

In 1963, there were less than 500 bald eagle breeding pairs in the lower 48 states. Click around these interactive maps to find out how many pairs there were from 1990 to 2000.

In 1963, there were less than 500 bald eagle breeding pairs in the lower 48 states. Click around these interactive maps to find out how many pairs there were from 1990 to 2000.

In 1963, there were less than 500 bald eagle breeding pairs in the lower 48 states. Click around these interactive maps to find out how many pairs there were from 1990 to 2000.

Two courting eagles drop through the sky with talons locked. But a nearby raven can't resist the opportunity to stir up mischief.

Taking peregrine falcons, harpy eagles, great gray owls, and other raptors as their inspiration, engineers have designed a new generation of fighter jets with unprecedented speed and agility.

Download wallpaper for your desktop from NATURE's "Raptor Force."

Eagles. For centuries, these seemingly larger-than-life birds have fascinated and inspired us.