In 1872, Yellowstone National Park became the first national park in the United States. Today, there are 390 areas under the National Park domain. Every state with the exception of Delaware has some National Park Service land. This land includes national parks, monuments, battlefields, military parks, historical parks, lake and sea shores, rivers, trails, historic sites, and the White House.
The National Park system provides plenty of opportunity for a variety of vacations and tours. …