There's a rather fine looking church in East London that I have passed on many an occasion with doors locked, but last week, the doors were open, so inside I went.
Sitting next to what was once the West Ham football club, and is now a generic housing development is a one-hundred(ish) year old Catholic Church.
This century old church in Holborn is a reminder of anti-catholic protests and a street widening programme to sweep away slumps.
Last September London gained a new Cathedral on a quiet residential road in Chiswick -- The Cathedral of the Nativity Of the Most Holy Mother of God and the Royal Martyrs.
Although old churches and Cathedrals are increasingly overlooked by modern towers, they can still offer stunning views of London from their rooftops.
Old churches can look quite delightful when lit up at night, and now a church that some say was the cradle of English Parliamentary democracy has been floodlit at night.
As part of the Being Human festival of humanities, there will be a tour on the topic of death, and a chance to go inside the crypt of St Alfege church in Greenwich.
A small but pretty market town on the Cotswold Way, Dursley is blessed with quite a lot of old buildings to see, notably two very different churches.
Right next to Lambeth Palace is an old church, and it's possible to climb up its 131 stone steps to stand on the roof for some fantastic views across the Thames to Parliament.
The ruined remains of a military church is on the verge of reopening part of the building following restoration work.
From the outside, this looks like a mock-barn style church building, rather ordinary frankly, but take a look inside for some concrete wow factor.
Just around the corner from Covent Garden is a Victorian brick building that conceals a wondrous Catholic Church interior.
Just around the corner from St Paul's can be found one of the City's older churches, and one that's unusually named after a French Saint.
On a side street, just about visible from the main road, lies one of London's greatest so-called hidden delights.
Earlier this week, the bells of St Pauls' were removed from the Cathedral, and sent back to their makers for repairs.