This hill is all that remains of Cambridge’s former castle.

An unusual artwork dedicated to a unique man that entertained people visiting Cambridge while raising money for charity.

An ordinary lamppost situated in the middle of Cambridge has an unusual moniker and history.

One of several Lilliputian portals that are ready to transport passengers to other dimensions, if they can find them.

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.

Designed by the architect who also had a hand in crafting the Westminster Abbey and Bristol Cathedral.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

This lush area was the site of extensive enemy bombing during WWII.

This hospital helped pave the way for treatment that drove down child-mortality rates in 19th and 20th centuries.

An inverted staircase above the entrance to the Bethnal Green Underground Station functions as a memorial for people who lost their lives during the worst civilian disaster in the U.K. during World War II.

This disused Cold War bunker has been restored to all of its early 60s glory.

This sprawling, Brutalist estate feels like a city within a city.

A quiet memorial to those who died saving others in the heart of the City of London.

One of London’s rare Tudor-era buildings is a fate-defying gatehouse for a church.

This enormous spiral sculpture looks strangely out of place on the edge of a housing development.

A faded reminder of what was once a common sight in London during the Blitz.

Glimpse into the life cycle of the European lobster and the work being done to protect them.

London's only public statue of the much-married monarch adorns the gate to St Bartholomew’s Hospital.

A pair of club-wielding guardians stand watch over London's first public clock to feature a minute hand.

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

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

A famous burial ground with a history both grim and literary.

A plaque pays tribute to the artist's longtime London home.