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These wonders range from iconic national parks to lesser-known historic buildings, but they are all outstanding examples of the natural history and societal development that make America unique.

Waitomo Caves in New Zealand is one of the most breathtaking natural wonders! Photo: iStock Some places on Earth are so breathtaking that they feel more like scenes from a fantasy film than actual ...

Today, 63 designated national parks in the United States draw millions of visitors a year to witness jaw-dropping natural wonders and unforgettable terrains. To determine the best U.S. national ...