With glacier-clad peaks rising almost vertically from thickly forested valleys, the North Cascades are often called the American Alps. The national park forms one unit of the North Cascades ...

As the National Park Service ... places for wildlife watching. Yellowstone is home to the largest concentrations of mammals in the lower 48 states, including a large population of American bison.

In North America, the wild horse is often labeled as a non-native, or even an exotic species, by most federal or state agencies dealing with wildlife management, such as the National Park Service ...

In the United States, a national park is ... is considered the oldest park in the world and one of the largest in North America. However, another area of wildlife that was blocked off from public ...

Across North ... America's most famous wildlife in their natural habitats. The United States has several national parks with some of the country's best wildlife viewing. From iconic American ...

In 1987, eight years before gray wolves were released into Yellowstone National Park, the US Fish ... swampy terrain of eastern North Carolina, where the Service decided to release red wolves into the ...