Scattered throughout London are ancient remnants of the city's former bounding wall.

A collection dedicated to the treatment of disease, held in London's oldest hospital.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

Banksy gives themself artistic license with this piece of London street art.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

This South London cemetery holds the remains of more than 15,000 people.

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

A sculpture outside London's oldest cathedral honors the Mohegan chief who died while petitioning the king.

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

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

This elaborate Byzantine-style building was designed for a not-so-pretty purpose.

This luxury shopping lane has been protected by its own tiny police force for over a century.

Dictionary Johnson’s favorite feline.

The television series' iconic giant foot was borrowed from this classical painting.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

A cluttered and astounding collection of antiquities and curiosities.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.