If that wasn’t enough, the Backroom Bar behind the Hard Rock Cafe on Old Park Lane features the ordinal door from Apple Studios where the Beatles recorded much of their final album Let It Be.

Meanwhile at the Hard Rock Cafe Piccadilly Circus are the original set of keys to Lennon’s 3 Saville Row flat, alongside his gold tone alpha glasses.

On the treasure hunt, these artifacts are tagged with QR codes that when scanned give you more stories and also points for rewards on John and Yoko’s…