'Mad Day Out': Beatles' Rare Photos

Climb in the Back
Toward the end of the day, the group went to McCartney's house, where, in the garden, a dome had been erected. "We all lay around with a huge floppy dog in this strange science-fiction space," McCullin writes (the dog is behind Lennon in this frame). "The day was a hit-and-run accident. They just threw themselves into situations. They completely opened themselves. They gave me every opportunity, and they took over. It was a blessing they did."

• Behind the Camera with the Beatles
• A Day in the Life of the Beatles