What looks like a short gap under some shops is an alley that used to be so much longer than it is today.
This is a quiet little space just a heartbeat from the bustling Covent Garden.
You're looking at the picture below and thinking this alley is going to be all about the pretty pub, but no, it's the boring snoring office block next door that's the protagonist in this alley tale.
This narrow alley off Cornhill lined with a mix of old bricks opens to a court space, and was once home to the offices of Dicken's Ebenezer Scrooge
This is an alley of mixed appearances, with a claimed link to the madness of King George III.
Rose Court is a rather unappealing alley that looks like it's probably modern but is a relic of older times. It's also sufficiently small as to rarely appear on any maps.
This is the greater of three turnstile alleys in the Holborn alley, although only greater in name not in stature.
This alley near the Guildhall seems to have been in existence since the 11th century.
This short alley next to Leicester Square is undeniably the underbelly of the glitzy lights of the West End. A dingy space of back doors and air conditioning units, or dubious smells and garish signs. It's perfect.
This is one of those dirty alleys that that overflows with rubbish and mess, but it also has the moon in the midst of its grime and clutter.
Quality Court off Chancery Lane is most appropriately named, being an upmarket concealed courtyard space.
This vintage looking alley is probably named after the Ship and Mermaid public house which used to be at Snowsfields, and is today a curious curve around a corner, squeezed between social housing.
This rather dramatic and modern looking alley is a modern redevelopment of an alley that can trace it's heritage back to the original developments along Chancery Lane.
A short side street next to a disused railway in Shoreditch has a complicated history.
An alley that can be traced all the way back to Tudor London, with a famously enigmatic stone plaque on one wall.