11. The Angel Oak, South Carolina
The Angel Oak Tree is 66.5 feet tall and is thought to be about 500 years old, even though some say it’s three times as old. Its shade covers some 17,200 square feet. The tree is one of the most popular attractions in the Charleston, South Carolina area.
12. Ruby Falls, Tennessee
Located within Lookout Mountain in Chattanooga, Tennessee, this is the tallest and deepest underground waterfall in the country that is open to the public. It was discovered in 1928 by a team of excavators. One of them, Leo Lambert, named the waterfall after his wife, Ruby.
13. The Narrows, Utah
The Narrows are a very popular area, especially for hiking, in Zion National Park. As the name suggests, it’s the narrowest section of Zion Canyon. The walls are about 1,000 feet but the river is sometimes just about 30 feet wide. Be prepared whenever you go because sudden storms, which are not unusual, can cause life-threatening flash floods.
14. Apostle Islands National Lakeshore, Wisconsin
The beaches and cliffs along the 12 miles of mainland and 21 islands that make up the Apostle Islands National Lakeshore draw visitors who like to hike, sail, and paddle, especially in and around Lake Superior. You can also try diving for shipwrecks.
15. Grand Prismatic Spring, Wyoming
This is by far the most photographed thermal attraction in Yellowstone National Park. It’s also the biggest in the United States and the third largest spring in the world — it’s bigger than a football field. It measures 250 by 300 feet and is 160 feet deep.
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