British royal officials say Prince William and his wife, Kate, are traveling to the United States next month on a trip that includes visits to the National September 11 Memorial and an NBA basketball game.

The visit, from Dec. 7 to 9, will be based in New York, although William will travel to Washington, D.C. on his own on Dec. 8 to attend a conference against the trade in illegal wildlife parts.

The Duchess of Cambridge will visit a child development center, accompanied by New York City's first lady Chirlane McCray.

The royal couple will both visit the Sept. 11 memorial, attend the NBA game and tour a youth organization together. The trip wraps up with a gala dinner at the Metropolitan Museum of Art.

In September, the Duchess of Cambridge had not been able to visit Malta because of morning sickness. Prince William replaced her for Malta's 50th anniversary of Independence.