Arkansas is home to many areas protected by the National Park System.

There are more than 350 areas in the National Park System.

Includes tips to visitors, a reading list, and information on other sites in the National Park System.

In 1998, the National Park System had 287 million visits and an operations budget of $1.2 billion.

More than 275 million people visit the National Park System each year.

It is the only "wildlife refuge" in the National Park System.

The National Park System receives over 280,000,000 visits each year throughout the 398 units.

Delaware is the only state without a unit of the National Park System.

There is a movement to add the site to the National Park System.

In 2001, Congress agreed to study whether it should become part of the National Park System.