US President Barack Obama paid a visit to Stonehenge on his return home from the Nato summit in Newport.
The White House said the presidential helicopter Marine One stopped at Boscombe Down Airbase, Wiltshire, before his motorcade drove to the ancient monument.
The president was then given a guided tour by curator Heather Sebire.
English Heritage, which manages the site, said it was “an honour” to host the president.
General manager of Stonehenge, Kate Davies, said: “His office told us the president was very interested to see the iconic monument for himself.
“Every day people from all over the world make the trip to the ancient stones but this visit was a particularly special one.”
Ms Sebire said Mr Obama “was fascinated by the story of the stones, what we know about them and the mysteries that have yet to be solved”.
we know about them and the mysteries that have yet to be solved”.