Wren churches, Roman and medieval remnants and quiet gardens in the Square Mile, ending at the Tower.
Best time: Weekday daytime (the City is empty and some sites closed on weekends)
The route, stop by stop 1 St Paul's Cathedral Outside or full visit; 15-90 min
Wren's 1710 dome: climb 528 steps via the Whispering Gallery to the Golden Gallery for a 360-degree view over the City.
2 Postman's Park Watts Memorial tablets; 15 min
Holds G. F. Watts' Memorial to Heroic Self-Sacrifice: ceramic tablets for ordinary people who died saving others. Tourists walk past it on the way to St Paul's.
3 Leadenhall Market Victorian covered market; 15 min
4 Sky Garden Free if booked in advance; 45 min
Free indoor garden on floors 35-37 of the Walkie-Talkie with an open terrace; the bars stay open after the free visit slots.
5 St Dunstan in the East Ruined church garden; 15 min
Bombed-out medieval church turned into a garden with ivy climbing through Wren's surviving tower; City office workers use it for lunch.
6 Tower of London End point; full visit 3 hours
Norman White Tower from the 1070s, the Crown Jewels and Yeoman Warder tours that run every half hour from the entrance.
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