This unassuming alcove in London’s famous Tower Bridge once served to capture, store, and display dead bodies from the River Thames.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

A cluttered and astounding collection of antiquities and curiosities.

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

A tongue-in-cheek arcade where the games are based on everyday life.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

Rebuilt remains of a temple to Roman god Mithras.

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

The last four extravagant street signs of London's historic banking street.

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

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

These Victorian era devil sculptures were designed to spite a local vicar.

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

This hidden green space is the city's second largest conservatory.

It celebrates a very stinky task and salutes London's fatberg-vanquishing team.

This East End pub gained notoriety as the site where gangster Ronnie Kray publicly shot a rival.

Preserved behind glass, the ruins of a medieval building used to store human remains.

This may be the last of London's wooden pavements, which were once a common sight in the city.