Acadia National Park: Number 10
Helena de Bertodando and her family visited Yellowstone, which inevitably features in the most popular national parks in the US. Here is the full list of parks that feature in the top ten.
In tenth place is Acadia NP on the Atlantic coast in Maine, seen here with a distinctive autumnal hue.
At Acadia NP's Winter Harbour, sea smoke can form off the coast when the air is colder than the ocean.
Grand Teton National Park: number 9
Encompassing part of the Rocky Mountains, Grand Teton in northwestern Wyoming is known for its majestic peaks and glacial lakes.
Zion National Park: number 8
Located in Utah, this remote desert-dominated park is famous for its domineering cliffs and tight, dramatic canyons.
Rocky Mountain National Park: number 7
Ranging from fertile valleys to foreboding peaks, this varied national park is situated in Colorado in the south-west of the United States.
Cuyahoga Valley National Park: number six
Based around Cuyahoga River (known as the "crooked river" by the American Indians) in Ohio, this park has thick forests and some diverse wetland.
Yellowstone National Park: number five
America's first national park, this park straddles three states - Wyoming, Montana and Idaho.
Olympic National Park: number four
This is a wide-ranging national park, extending from the beaches of the Pacific...
...to huge, ancient forests...
...to glacial peaks in Washington State.
Yosemite National Park: number three
Another of the country's most well known parks, Yosemite is known for its rivers, waterfalls and remarkably extended wilderness.
Grand Canyon National Park: number two
This park needs no introduction. The immense views in Arizona are as intoxicating as ever.
Great Smoky Mountains National Park: number one
Most popular of them all, by a huge margin, is the Great Smoky Mountains National Park in North Carolina, with a bewildering array of wildlife, simply breathtaking views
The beauty of the US national parks - Telegraph