All Hallows is the oldest church in the City of London. It houses a museum in the crypt and offers free guided tours.
The museum is in part of the original Saxon church and contains a collection of Roman and Saxon artefacts.
UG: Tower Hill 0.2km
OG: London Fenchurch Street 0.26km
LRTS: Tower Gateway 0.37km
Opening times vary. Check their web site before visiting.
Always check details regarding opening hours, accessibility and pricing before travelling.