The curios of pharmacist and collector Henry Wellcome.

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

Remnants of cells from the most notorious London prison may lie in the basement of a rare Victorian Gin Palace.

Public access to clean drinking water was an instant hit among the masses.

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

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

Down a pint of ale where the Bishop of Ely's servants slept in 1546.

The collection contains over 25,000 items and details the painful dental practices of the past.

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

A collection of machines designed to break things for science.

This knockout museum lies in a sleepy corner of London.

This five-star hotel was originally a swanky parking garage.

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

The largest of London's subterranean rivers and once a mad, bad center of London life.

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

A recreation of a sign that Charles Dickens used to see on his walk home.

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

Dictionary Johnson’s favorite feline.

Buried for centuries, this hidden cellar is all that remains of London's medieval Whitefriars Monastery.

One of the world’s leading and most extensive archives on the Holocaust, the Nazi era, and genocide, this collection includes published and unpublished works, press cuttings, photographs, and eyewitness testimony.

Traveling collection of amazing automata.

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

Tucked away behind the mansions of Mayfair, this picturesque garden is a hidden London treasure with a spooky past.

The Art Deco artwork depicts gilded carriers of deadly illnesses.