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

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

This short bridge is the only thing connecting a tiny Irish island to the mainland.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

The oldest inn in England served brew to the crusaders.

Artists and musicians now rule over this former rail station.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

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

Giant, friendly pelicans in Central London, the most unlikely of places.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

Museum about life, death, and cannibalism in the Stone Age.

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

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

Eighty million natural history specimens call this gargantuan museum home.

A historic house left in "dramatic still life."

Surreal riveted sea forts once protected the Kent shores from German attack.

Hear the quietest sound from across the dome.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

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

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.