By Nelson's Dockyard on the south bank of the Thames in Limehouse Reach is a headland known as 'Cuckold's Point'
TQ365803. According to BREWER (1999 edition) it got that name because "King John successfully courted a labourer's wife there". Surely worth a piccy then!
TQ3680 : Columbia Wharf is the nearest picture to 'Cuckold's Point' posted to date.