
1. Golden Gate National Recreation Area —
The National Park Service is made up of 401 sites, including 59 specially designated national parks, plus national seashores, recreation areas, historical sites and other designations. Here are the top 10 most-visited spots in 2013 across all of the park service sites, followed by a list of the top 10 most popular National Parks. California's Golden Gate National Recreation Area, shown here, is the most popular Park Service site.

2. Blue Ridge Parkway —
This spectacular overlook near Mount Mitchell on the Blue Ridge Parkway, No. 2 on the park service's list of most-visited sites, is in North Carolina. The parkway also crosses into Virginia.

3. Great Smoky Mountains National Park —
Great Smoky Mountains National Park, No. 3 on the list of most-visited park sites, is in North Carolina and Tennessee. It is also the No. 1 most-visited national park.

4. George Washington Memorial Parkway —
George Washington Memorial Parkway in Washington, Virginia and Maryland came in fourth place on this list of most-visited park sites in 2013.

5. Lincoln Memorial —
A single security guard patrols the closed Lincoln Memorial in Washington on October 3 during the government shutdown. The memorial came in fifth place for visitation.

6. Lake Mead National Recreation Area —
The Lake Mead National Recreation Area, in both Arizona (shown here) and Nevada, came in sixth place on the National Park Service list of most-visited park sites.

7. Gateway National Recreation Area —
The Sandy Hook Lighthouse in New Jersey is part of Gateway National Recreation Area, which is also in New York. It came in seventh place on the list.

8. Natchez Trace Parkway —
The Natchez Trace Parkway, shown here near Tupelo, Mississippi, also crosses into Alabama and Tennessee. It came in eighth place on the most-visited sites list.

9. Chesapeake & Ohio Canal National Historic Park —
The Chesapeake and Ohio Canal, which landed in ninth place on the park sites list, is in the District of Columbia and the states of Maryland and West Virginia.

10. Delaware Water Gap National Recreation Area —
The Delaware Water Gap National Recreation Area, in New Jersey and Pennsylvania, rounds out the National Park Service's top 10 list of the most-visited sites. Keep clicking through the gallery to see the most popular of the 59 national parks.

1. Great Smoky Mountains National Park —
Many of the most famous parks in the world are among the U.S. National Park Service's 59 headliner national parks. Great Smoky Mountains National Park, which was the third most-popular park site in 2013, was also the most popular national park. Shown here is the view from Purchase Knob.

2. Grand Canyon National Park —
Grand Canyon National Park in Arizona was the second most popular national park last year. Shown here is an inversion: cold fog trapped in