Prince William and Princess Kate arrive in Boston for historic royal tour.

The Prince and Princess of Wales will arrive in Boston for their first US visit in eight years.

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Before the Earthshot Prize awards event, Prince William and Princess Kate will tour Boston, known for its Irish ancestry, sports, and history.

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With Caroline Kennedy, the late president's daughter, the royal couple will explore the John F. Kennedy Presidential Library and Museum.

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From Speaker's Corner, William and Kate will light up City Hall and other major structures green to countdown to Earthshot, hosted by Boston on Friday.

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Prince William and Princess Kate's US tour revealed powerful tribute.

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This week, Prince William and Kate will see the Sussexes.

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They will also explore Somerville's Greentown Labs and learn about local organizations' efforts to reduce Boston's risk of rising sea levels.

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