The Prince of Wales and the Duchess of Cambridge began their four-day trip to the USA by visiting some of Washington's famous monuments.
However, many in the crowds weren't entirely sure who the heir to the throne was and those who did were disappointed the couple weren't William and Kate.
ITV News correspondent Tim Ewart reports from Washington:
British Ambassador to the US Sir Peter Westmacott said he is "delighted" to welcome Prince Charles and the Duchess of Cornwall back to Washington after 10 years.
The royal couple attended an event at the British Embassy in Washington.
Prince Charles and the Duchess of Cornwall have arrived at the British Embassy in Washington for an event marking the beginning of their four-day visit to the US.
Prince Charles and the Duchess of Cornwall have arrived in Washington to begin a four-day trip that includes a meeting with the President.Read the full story ›
The Duchess of Cornwall and the Prince of Wales have arrived at a private funeral for her brother Mark Shand, at the Holy Trinity Church in Stourpaine, Dorset.
The conservationist and travel writer Mark Shand died unexpectedly last week after falling and hitting his head in New York.
The funeral will take place later today for the Duchess of Cornwall's brother, Mark Shand.
Mr Shand, who was a conservationist and travel writer, died last week after falling and hitting his head on the pavement in New York.
Prince Charles will be among mourners at a private family ceremony at the Holy Trinity Church in the Dorset village of Stourpaine.
The death of Mark Shand, the Duchess of Cornwall's brother, has been ruled an accident. Mr Shand died after he fell and banged his his head outside a hotel bar in New York yesterday.
A spokeswoman for the medical examiner's office in the city said the 62-year-old's death was caused by blunt impact head trauma with skull fracture and bleeding in the brain.
Mr Shand was in New York for an auction at Sotheby's in aid of a charity for underprivileged children and the Elephant Family, of which he was chairman, which aims to save the endangered Asian elephant from extinction in the wild.
He was taken to hospital after reportedly slipping while lighting a cigarette and hitting his head on the pavement outside an after-party for the charity event.
Stephen Fry has paid tribute to the Duchess of Cornwall's brother Mark Shand, who died aged 62 in New York.
I’ve just heard the terrible news about Mark Shand. His work with Asian elephants was unsurpassed. Funny, charming, dedicated man. So so sad
Royal Editor Tim Ewart reports that the Duke and Duchess of Cambridge have been told of the death of Mark Shand, while on their royal tour of Australia.
From Canberra Tim Ewart said: "It's 7am in the morning here in Canberra. William and Kate have spent the night here with their son Prince George in an official residence. Their public engagements are about to start here in a couple of hours time.
"This tour is winding up and sadly, this event is going to cast a shadow over the last couple of days, of what has been a long and so far very successful and very happy tour.
"Both William and his brother Harry have become very close to the Duchess of Cornwall, despite all the family history and the background of the Diana affair.
"They were a close family and this statement from Clarence House, using the expression 'utterly devastated', applies to all the family.
"But royal duties here will carry on today, as they were going to before."
Conservationist and travel writer Mark Shand will be remembered for his dedication to protecting the endangered Asian elephant.Read the full story ›