The commemorative stone column conceals a secret laboratory.

The world's oldest optical museum is an odd collection where the exhibits look at you.

This former medical factory gives home to cutting edge arts in the shadow of a gas works.

A recently restored Shoreditch landmark with ties to Jack the Ripper.

A portly statue of a golden boy commemorates an unusual cause of the Great Fire of London: the sin of gluttony.

It is still illegal to "quarrel" at this unlikely urban oasis built on top of an electrical substation.

The fences outside some of South London's estates are made from recycled World War II stretchers.

An archive of ceramic eggs painted to record clowns' personal makeup designs.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

High-end antique collection housed in a centuries-old church.

Residential building on the Regents Canal is a breeding ground for creativity and innovation.

A tiny replica of the iconic London landmark hides on the side of the steel structure.

Where Aleister Crowley attempted to seize the Hermetic Order of the Golden Dawn in a mask and a kilt.

The pretty iron lamp is a reminder of the architecture underneath London's streets.

A historic hill of tall tales, with one rather special tree.

An architectural oddity hides in plain sight on this iconic London bridge.

This secret garden has bloomed into London's most unique hub of urban creativity.

The ritual has been performed uninterrupted for nearly 700 years.

The Tudor-style cottage in the middle of the square is not quite what it seems.

A Victorian school for poverty stricken waifs has been preserved as a museum to their donated education.

One of the greatest movie directors of all time lived and worked in this London flat from 1926 to 1939.

A wonderfully eclectic Victorian aquarium lies in the basement of the Horniman Museum.

A measuring mishap led to these artificial stone ladies losing their stomachs.

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.