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

The monster at the center of the Darwin Center Spirit Collection.

This pub boasts a curious history and may have inspired a Dickens character.

An abandoned tank sits in an empty London lot as a symbolic middle finger to local city planners.

This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

This intricately carved and hilariously huge bed was such a famous symbol both Shakespeare and Byron used it in their writing.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

A legend says that if this elaborately decorated glass breaks, the good fortune of its owner's household will also disappear.

A small museum that celebrates the history and culture of the LGBTQ community in England.

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

This 1920s Dutch barge is now a floating bookstore.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

A Roman spa buried deep beneath the City of London.

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

Black cat statues guard this temple-like Egyptian revival factory.

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

The commemorative stone column conceals a secret laboratory.

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

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

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

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

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

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