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

The Great Fire of London and the regulation of one-way streets both started in this alley.

The commemorative stone column conceals a secret laboratory.

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

Only a few pieces remain of the structure that carried people and goods across the Thames for some 600 years.

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

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

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

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

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

Ship-sized kinetic sculptural fantasy.

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

This one has sailed five times as far as Sir Francis Drake's famous ship.

An incarceration museum on the spot of possibly the oldest prison in England.

Murals of the wild parties once held on the frozen River Thames.

The last remaining example of the boatmen's perches that once dotted the south bank of the Thames.

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

The London statue that imitates passersby.

A collection of machines designed to break things for science.

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

A friendly pub with a sordid past in cock fighting.

Hear the quietest sound from across the dome.

A mysterious carving from 17th-century London seemingly depicts a young boy sitting on a bread basket.

A secluded green oasis amidst the towering skyscrapers, bears an unusual moniker that reflects one of the city's oldest guilds.